publications

2026

1. J

   Illicit object detection in X-ray imaging using deep learning techniques: A comparative evaluation

   Jorgen Cani, Christos Diou, Spyridon Evangelatos, Vasileios Argyriou, Panagiotis Radoglou-Grammatikis, and 3 more authors

   IEEE Access, 2026

   Bib

   @article{cani2026illicit,
     title = {Illicit object detection in X-ray imaging using deep learning techniques: A comparative evaluation},
     author = {Cani, Jorgen and Diou, Christos and Evangelatos, Spyridon and Argyriou, Vasileios and Radoglou-Grammatikis, Panagiotis and Sarigiannidis, Panagiotis and Varlamis, Iraklis and Papadopoulos, Georgios Th},
     journal = {IEEE Access},
     year = {2026},
     publisher = {IEEE},
   }

2. J

   Monitoring cancer-related fatigue and quality of life in breast and prostate cancer patients after primary treatment: a study protocol for the REBECCA trials in Norway

   Marius Stensland, Karina F Bru, Marie Austdal, Ingrid H Dahl, Kristin Jonsdottir, and 6 more authors

   Clinical and Experimental Medicine, 2026

   Bib

   @article{stensland2026monitoring,
     title = {Monitoring cancer-related fatigue and quality of life in breast and prostate cancer patients after primary treatment: a study protocol for the REBECCA trials in Norway},
     author = {Stensland, Marius and Bru, Karina F and Austdal, Marie and Dahl, Ingrid H and Jonsdottir, Kristin and Lende, Tone H and Heimvik, Cato and Elve, Inger and Omdal, Roald and van der Giezen, Mark and others},
     journal = {Clinical and Experimental Medicine},
     year = {2026},
     publisher = {Springer},
   }

3. C

   Fast and Robust Simulation-Based Inference With Optimization Monte Carlo

   Vasilis Gkolemis, Christos Diou, and Michael Gutmann

   Twenty-Ninth Annual Conference on Artificial Intelligence and Statistics (AISTATS 2026, to appear), 2026
4. C

   Learning Robust Intervention Representations with Delta Embeddings

   Panagiotis Alimisis, and Christos Diou

   International Conference on Learning Representations (ICLR 2026, to appear), 2026

2025

1. J

   Detecting application transitions and identifying application types for intent-based network assurance: A machine learning perspective

   John Violos, Fotios Voutsas, Christos Diou, and Aris Leivadeas

   Computer Networks, 2025

   Bib

   @article{violos2025detecting,
     title = {Detecting application transitions and identifying application types for intent-based network assurance: A machine learning perspective},
     author = {Violos, John and Voutsas, Fotios and Diou, Christos and Leivadeas, Aris},
     journal = {Computer Networks},
     pages = {111872},
     year = {2025},
     publisher = {Elsevier},
   }

2. J

   Digital and AI-assisted multimodal supportive care, combining physical activity, nutrition, and pain management during chemotherapy for advanced pancreatic cancer patients: study protocol of the European multicenter randomized controlled trial of the RELEVIUM project

   Barlo Hillen, Gabrielle Oestreicher, Lisa Schwab, Kira Enders, Perikles Simon, and 6 more authors

   BMC cancer, 2025

   Bib

   @article{hillen2025digital,
     title = {Digital and AI-assisted multimodal supportive care, combining physical activity, nutrition, and pain management during chemotherapy for advanced pancreatic cancer patients: study protocol of the European multicenter randomized controlled trial of the RELEVIUM project},
     author = {Hillen, Barlo and Oestreicher, Gabrielle and Schwab, Lisa and Enders, Kira and Simon, Perikles and Elme, Anneli and Ben-Aharon, Irit and Goshenlago, Tal and Neuzillet, Cindy and Sclafani, Francesco and others},
     journal = {BMC cancer},
     volume = {25},
     number = {1},
     pages = {1610},
     year = {2025},
     publisher = {Springer},
   }

3. J

   A system for objectively measuring behavior and the environment to support large-scale studies on childhood obesity

   Vasileios Papapanagiotou, Ioannis Sarafis, Leonidas Alagialoglou, Vasileios Gkolemis, Christos Diou, and 1 more author

   IEEE Journal of Biomedical and Health Informatics, 2025

   Bib

   @article{papapanagiotou2025system,
     title = {A system for objectively measuring behavior and the environment to support large-scale studies on childhood obesity},
     author = {Papapanagiotou, Vasileios and Sarafis, Ioannis and Alagialoglou, Leonidas and Gkolemis, Vasileios and Diou, Christos and Delopoulos, Anastasios},
     journal = {IEEE Journal of Biomedical and Health Informatics},
     year = {2025},
     publisher = {IEEE},
   }

4. J

   Feature Bagging with Nested Rotations (FBNR) for anomaly detection in multivariate time series

   Anastasios Iliopoulos, John Violos, Christos Diou, and Iraklis Varlamis

   Future Generation Computer Systems, 2025

   DOI Bib

   @article{IliopoulosFGCS2025,
     title = {Feature Bagging with Nested Rotations (FBNR) for anomaly detection in multivariate time series},
     journal = {Future Generation Computer Systems},
     volume = {163},
     pages = {107545},
     year = {2025},
     issn = {0167-739X},
     doi = {https://doi.org/10.1016/j.future.2024.107545},
     url = {https://www.sciencedirect.com/science/article/pii/S0167739X24005090},
     author = {Iliopoulos, Anastasios and Violos, John and Diou, Christos and Varlamis, Iraklis},
   }

5. C

   MAVias: Mitigate any visual bias

   Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, and Christos Diou

   In Proceedings of the IEEE/CVF International Conference on Computer Vision, 2025
6. C

   Vb-mitigator: An open-source framework for evaluating and advancing visual bias mitigation

   Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, and Christos Diou

   ECAI Workshops (AEQUITAS), 2025
7. C

   Badd: Bias mitigation through bias addition

   Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, and Christos Diou

   In Proceedings of the IEEE/CVF International Conference on Computer Vision, 2025

   Bib

   @inproceedings{sarridis2025badd,
     title = {Badd: Bias mitigation through bias addition},
     author = {Sarridis, Ioannis and Koutlis, Christos and Papadopoulos, Symeon and Diou, Christos},
     booktitle = {Proceedings of the IEEE/CVF International Conference on Computer Vision},
     pages = {7673--7682},
     year = {2025},
   }

8. C

   X-ray illicit object detection using hybrid CNN-transformer neural network architectures

   Jorgen Cani, Christos Diou, Spyridon Evangelatos, Panagiotis Radoglou-Grammatikis, Vasileios Argyriou, and 3 more authors

   In 2025 IEEE 11th International Conference on Big Data Computing Service and Machine Learning Applications (BigDataService), 2025

   Bib

   @inproceedings{cani2025x,
     title = {X-ray illicit object detection using hybrid CNN-transformer neural network architectures},
     author = {Cani, Jorgen and Diou, Christos and Evangelatos, Spyridon and Radoglou-Grammatikis, Panagiotis and Argyriou, Vasileios and Sarigiannidis, Panagiotis and Varlamis, Iraklis and Papadopoulos, Georgios Th},
     booktitle = {2025 IEEE 11th International Conference on Big Data Computing Service and Machine Learning Applications (BigDataService)},
     pages = {210--217},
     year = {2025},
     organization = {IEEE},
   }

9. C

   Gradient-guided annealing for domain generalization

   Aristotelis Ballas, and Christos Diou

   In Proceedings of the Computer Vision and Pattern Recognition Conference, 2025

   Bib

   @inproceedings{ballas2025gradient,
     title = {Gradient-guided annealing for domain generalization},
     author = {Ballas, Aristotelis and Diou, Christos},
     booktitle = {Proceedings of the Computer Vision and Pattern Recognition Conference},
     pages = {20558--20568},
     year = {2025},
   }

2024

1. Which Augmentation Should I Use? An Empirical Investigation of Augmentations for Self-Supervised Phonocardiogram Representation Learning

   Aristotelis Ballas, Vasileios Papapanagiotou, and Christos Diou

   IEEE Access, 2024
2. J

   FLAC: Fairness-Aware Representation Learning by Suppressing Attribute-Class Associations

   Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, and Christos Diou

   IEEE Transactions on Pattern Analysis and Machine Intelligence, 2024

   DOI Bib

   @article{Sarridis2024TPAMI,
     author = {Sarridis, Ioannis and Koutlis, Christos and Papadopoulos, Symeon and Diou, Christos},
     journal = {IEEE Transactions on Pattern Analysis and Machine Intelligence},
     title = {FLAC: Fairness-Aware Representation Learning by Suppressing Attribute-Class Associations},
     year = {2024},
     volume = {},
     number = {},
     pages = {1-13},
     keywords = {Prevention and mitigation;Artificial intelligence;Training;Data models;Mutual information;Accuracy;Visualization;Representation learning;Predictive models;Minimization;Bias mitigation;fairness;mutual information},
     doi = {10.1109/TPAMI.2024.3487254},
   }

3. J

   A Causal Inference Methodology to Support Research on Osteopenia for Breast Cancer Patients

   Niki Kiriakidou, Aristotelis Ballas, Cristina Meliá Hernando, Anna Miralles, Teta Stamati, and 2 more authors

   Applied Sciences, 2024

   Bib

   @article{Kiriakidou2024Applied,
     title = {A Causal Inference Methodology to Support Research on Osteopenia for Breast Cancer Patients},
     author = {Kiriakidou, Niki and Ballas, Aristotelis and Hernando, Cristina Meli{\'a} and Miralles, Anna and Stamati, Teta and Anagnostopoulos, Dimosthenis and Diou, Christos},
     journal = {Applied Sciences},
     volume = {14},
     number = {21},
     pages = {9700},
     year = {2024},
     publisher = {MDPI},
   }

4. J

   Edge-driven Docker registry: facilitating XR application deployment

   Antonios Makris, Evangelos Psomakelis, Ioannis Korontanis, Theodoros Theodoropoulos, Ioannis Kontopoulos, and 3 more authors

   Computing, 2024

   Bib

   @article{MakrisComputing2024,
     title = {Edge-driven Docker registry: facilitating XR application deployment},
     author = {Makris, Antonios and Psomakelis, Evangelos and Korontanis, Ioannis and Theodoropoulos, Theodoros and Kontopoulos, Ioannis and Pateraki, Maria and Diou, Christos and Tserpes, Konstantinos},
     journal = {Computing},
     pages = {1--23},
     year = {2024},
     publisher = {Springer},
   }

5. J

   Dietary and Physical Activity Habits of Children and Adolescents before and after the Implementation of a Personalized, Intervention Program for the Management of Obesity

   Georgia Ioannou, Ioulia Petrou, Maria Manou, Athanasia Tragomalou, Eleni Ramouzi, and 7 more authors

   Nutrients, 2024

   DOI Bib

   @article{IoannouNutrients2024,
     author = {Ioannou, Georgia and Petrou, Ioulia and Manou, Maria and Tragomalou, Athanasia and Ramouzi, Eleni and Vourdoumpa, Aikaterini and Genitsaridi, Sofia-Maria and Kyrkili, Athanasia and Diou, Christos and Papadopoulou, Marina and Kassari, Penio and Charmandari, Evangelia},
     title = {Dietary and Physical Activity Habits of Children and Adolescents before and after the Implementation of a Personalized, Intervention Program for the Management of Obesity},
     journal = {Nutrients},
     volume = {16},
     year = {2024},
     number = {20},
     article-number = {3477},
     url = {https://www.mdpi.com/2072-6643/16/20/3477},
     issn = {2072-6643},
     doi = {10.3390/nu16203477},
   }

6. J

   A rehearsal framework for computational efficiency in online continual learning

   Charalampos Davalas, Dimitrios Michail, Christos Diou, Iraklis Varlamis, and Konstantinos Tserpes

   Applied Intelligence, 2024

   Bib

   @article{DavalasApplied2024,
     title = {A rehearsal framework for computational efficiency in online continual learning},
     author = {Davalas, Charalampos and Michail, Dimitrios and Diou, Christos and Varlamis, Iraklis and Tserpes, Konstantinos},
     journal = {Applied Intelligence},
     pages = {1--17},
     year = {2024},
     publisher = {Springer},
   }

7. J

   FRCSyn-onGoing: Benchmarking and comprehensive evaluation of real and synthetic data to improve face recognition systems

   Pietro Melzi, Ruben Tolosana, Ruben Vera-Rodriguez, Minchul Kim, Christian Rathgeb, and 42 more authors

   Information Fusion, 2024

   DOI Bib

   @article{MelziIF2024,
     title = {FRCSyn-onGoing: Benchmarking and comprehensive evaluation of real and synthetic data to improve face recognition systems},
     journal = {Information Fusion},
     volume = {107},
     pages = {102322},
     year = {2024},
     issn = {1566-2535},
     doi = {https://doi.org/10.1016/j.inffus.2024.102322},
     url = {https://www.sciencedirect.com/science/article/pii/S1566253524001003},
     author = {Melzi, Pietro and Tolosana, Ruben and Vera-Rodriguez, Ruben and Kim, Minchul and Rathgeb, Christian and Liu, Xiaoming and DeAndres-Tame, Ivan and Morales, Aythami and Fierrez, Julian and Ortega-Garcia, Javier and Zhao, Weisong and Zhu, Xiangyu and Yan, Zheyu and Zhang, Xiao-Yu and Wu, Jinlin and Lei, Zhen and Tripathi, Suvidha and Kothari, Mahak and Zama, Md Haider and Deb, Debayan and Biesseck, Bernardo and Vidal, Pedro and Granada, Roger and Fickel, Guilherme and Führ, Gustavo and Menotti, David and Unnervik, Alexander and George, Anjith and Ecabert, Christophe and Shahreza, Hatef Otroshi and Rahimi, Parsa and Marcel, Sébastien and Sarridis, Ioannis and Koutlis, Christos and Baltsou, Georgia and Papadopoulos, Symeon and Diou, Christos and Domenico, Nicolò Di and Borghi, Guido and Pellegrini, Lorenzo and Mas-Candela, Enrique and Sánchez-Pérez, Ángela and Atzori, Andrea and Boutros, Fadi and Damer, Naser and Fenu, Gianni and Marras, Mirko},
   }

8. J

   Multi-Scale and Multi-Layer Contrastive Learning for Domain Generalization

   Aristotelis Ballas, and Christos Diou

   IEEE Transactions on Artificial Intelligence, 2024

   DOI Bib

   @article{BallasTAI2024,
     author = {Ballas, Aristotelis and Diou, Christos},
     journal = {IEEE Transactions on Artificial Intelligence},
     title = {Multi-Scale and Multi-Layer Contrastive Learning for Domain Generalization},
     year = {2024},
     pages = {1-14},
     keywords = {Feature extraction;Training;Task analysis;Self-supervised learning;Adaptation models;Representation learning;Image classification;Domain generalization;Representation learning;Contrastive learning;Image classification},
     doi = {10.1109/TAI.2024.3377173},
   }

9. J

   Towards Domain Generalization for ECG and EEG Classification: Algorithms and Benchmarks

   Aristotelis Ballas, and Christos Diou

   IEEE Transactions on Emerging Topics in Computational Intelligence, 2024

   DOI Bib

   @article{BallasTETCI2024,
     author = {Ballas, Aristotelis and Diou, Christos},
     journal = {IEEE Transactions on Emerging Topics in Computational Intelligence},
     title = {Towards Domain Generalization for ECG and EEG Classification: Algorithms and Benchmarks},
     year = {2024},
     volume = {8},
     number = {1},
     pages = {44-54},
     keywords = {Brain modeling;Biological system modeling;Electrocardiography;Data models;Electroencephalography;Adaptation models;Feature extraction;Biosignal classification;deep learning;domain generalization;1D signal classification;electrocardiogram (ECG) classification;electroencephalogram (EEG) classification},
     doi = {10.1109/TETCI.2023.3306253},
   }

10. C

    Fast and Accurate Regional Effect Plots for Automated Tabular Data Analysis

    Vasilis Gkolemis, Theodore Dalamagas, Eirini Ntoutsi, and Christos Diou

    Proceedings of the VLDB Endowment. ISSN, 2024

    Bib

    @article{gkolemis2024fast,
      title = {Fast and Accurate Regional Effect Plots for Automated Tabular Data Analysis},
      author = {Gkolemis, Vasilis and Dalamagas, Theodore and Ntoutsi, Eirini and Diou, Christos},
      journal = {Proceedings of the VLDB Endowment. ISSN},
      volume = {2150},
      pages = {8097},
      year = {2024},
    }

11. C

    CycleMix: Mixing Source Domains for Domain Generalization in Style-Dependent Data

    Aristotelis Ballas, and Christos Diou

    In Proceedings of the 13th Hellenic Conference on Artificial Intelligence, 2024

    Bib

    @inproceedings{ballas2024cyclemix,
      title = {CycleMix: Mixing Source Domains for Domain Generalization in Style-Dependent Data},
      author = {Ballas, Aristotelis and Diou, Christos},
      booktitle = {Proceedings of the 13th Hellenic Conference on Artificial Intelligence},
      pages = {1--4},
      year = {2024},
    }

12. C

    C-XGBoost: A tree boosting model for causal effect estimation

    Niki Kiriakidou, Ioannis E Livieris, and Christos Diou

    In IFIP International Conference on Artificial Intelligence Applications and Innovations, 2024

    Bib

    @inproceedings{KiriakidouAIAI2024,
      title = {C-XGBoost: A tree boosting model for causal effect estimation},
      author = {Kiriakidou, Niki and Livieris, Ioannis E and Diou, Christos},
      booktitle = {IFIP International Conference on Artificial Intelligence Applications and Innovations},
      pages = {58--70},
      year = {2024},
      organization = {Springer},
    }

13. C

    FaceX: Understanding Face Attribute Classifiers through Summary Model Explanations

    Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, and Christos Diou

    In Proceedings of the 2024 International Conference on Multimedia Retrieval, Phuket, Thailand, 2024

    DOI Bib

    @inproceedings{SarridisICMR2024,
      author = {Sarridis, Ioannis and Koutlis, Christos and Papadopoulos, Symeon and Diou, Christos},
      title = {FaceX: Understanding Face Attribute Classifiers through Summary Model Explanations},
      year = {2024},
      isbn = {9798400706196},
      publisher = {Association for Computing Machinery},
      address = {New York, NY, USA},
      url = {https://doi.org/10.1145/3652583.3658007},
      doi = {10.1145/3652583.3658007},
      booktitle = {Proceedings of the 2024 International Conference on Multimedia Retrieval},
      pages = {758–766},
      numpages = {9},
      keywords = {bias, explainable artificial intelligence, facial analysis, fairness},
      location = {Phuket, Thailand},
      series = {ICMR '24},
    }

14. C

    FRCSyn Challenge at WACV 2024: Face Recognition Challenge in the Era of Synthetic Data

    Pietro Melzi, Ruben Tolosana, Ruben Vera-Rodriguez, Minchul Kim, Christian Rathgeb, and 6 more authors

    In Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2024

    Bib

    @inproceedings{melzi2024frcsyn,
      title = {FRCSyn Challenge at WACV 2024: Face Recognition Challenge in the Era of Synthetic Data},
      author = {Melzi, Pietro and Tolosana, Ruben and Vera-Rodriguez, Ruben and Kim, Minchul and Rathgeb, Christian and Liu, Xiaoming and DeAndres-Tame, Ivan and Morales, Aythami and Fierrez, Julian and Ortega-Garcia, Javier and others},
      booktitle = {Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision},
      pages = {892--901},
      year = {2024},
    }

15. C

    Development and evaluation of Reinforcement Learning models for the FOSSBot Open-Source educational robot

    George Kazazis, Christos Chronis, Christos Diou, and Iraklis Varlamis

    In Proceedings of the 27th Pan-Hellenic Conference on Progress in Computing and Informatics, 2024

    DOI Bib

    @inproceedings{KazazisPCI2023,
      author = {Kazazis, George and Chronis, Christos and Diou, Christos and Varlamis, Iraklis},
      title = {Development and evaluation of Reinforcement Learning models for the FOSSBot Open-Source educational robot},
      year = {2024},
      publisher = {Association for Computing Machinery},
      address = {New York, NY, USA},
      url = {https://doi.org/10.1145/3635059.3635064},
      doi = {10.1145/3635059.3635064},
      booktitle = {Proceedings of the 27th Pan-Hellenic Conference on Progress in Computing and Informatics},
      pages = {26–35},
      numpages = {10},
      keywords = {FOSSBot, Reinforcement Learning, Robotics, STEM, Simulation},
      series = {PCI '23},
    }

2023

1. J

   Ultra-Processed Food vs. Fruit and Vegetable Consumption before and during the COVID-19 Pandemic among Greek and Swedish Students

   Friska Dhammawati, Petter Fagerberg, Christos Diou, Ioanna Mavrouli, Evangelia Koukoula, and 6 more authors

   Nutrients, 2023

   Bib

   @article{dhammawati2023ultra,
     title = {Ultra-Processed Food vs. Fruit and Vegetable Consumption before and during the COVID-19 Pandemic among Greek and Swedish Students},
     author = {Dhammawati, Friska and Fagerberg, Petter and Diou, Christos and Mavrouli, Ioanna and Koukoula, Evangelia and Lekka, Eirini and Stefanopoulos, Leandros and Maglaveras, Nicos and Heimeier, Rachel and Karavidopoulou, Youla and others},
     journal = {Nutrients},
     volume = {15},
     number = {10},
     pages = {2321},
     year = {2023},
     publisher = {MDPI},
   }

2. J

   Integrating Nearest Neighbors with Neural Network Models for Treatment Effect Estimation

   Niki Kiriakidou, and Christos Diou

   International Journal of Neural Systems, 2023

   DOI Bib

   @article{kiriakidou2023IJNS,
     author = {Kiriakidou, Niki and Diou, Christos},
     title = {Integrating Nearest Neighbors with Neural Network Models for Treatment Effect Estimation},
     journal = {International Journal of Neural Systems},
     volume = {33},
     number = {07},
     pages = {2350036},
     year = {2023},
     doi = {10.1142/S0129065723500363},
   }

3. J

   StreetScouting: A Deep Learning Platform for Automatic Detection and Geotagging of Urban Features from Street-Level Images

   Polychronis Charitidis, Sotirios Moschos, Archontis Pipertzis, Ioakeim James Theologou, Michael Michailidis, and 3 more authors

   Applied Sciences, 2023

   Bib

   @article{Charitidis2023AS,
     title = {StreetScouting: A Deep Learning Platform for Automatic Detection and Geotagging of Urban Features from Street-Level Images},
     author = {Charitidis, Polychronis and Moschos, Sotirios and Pipertzis, Archontis and Theologou, Ioakeim James and Michailidis, Michael and Doropoulos, Stavros and Diou, Christos and Vologiannidis, Stavros},
     journal = {Applied Sciences},
     volume = {13},
     number = {1},
     pages = {266},
     year = {2023},
     publisher = {Multidisciplinary Digital Publishing Institute},
   }

4. C

   Streamlining XR Application Deployment with a Localized Docker Registry at the Edge

   Antonios Makris, Evangelos Psomakelis, Ioannis Korontanis, Theodoros Theodoropoulos, Antonis Protopsaltis, and 5 more authors

   In Service-Oriented and Cloud Computing, 2023

   Bib

   @inproceedings{MakrisESOCC2024,
     author = {Makris, Antonios and Psomakelis, Evangelos and Korontanis, Ioannis and Theodoropoulos, Theodoros and Protopsaltis, Antonis and Pateraki, Maria and Ledwo{\'{n}}, Zbyszek and Diou, Christos and Anagnostopoulos, Dimosthenis and Tserpes, Konstantinos},
     editor = {Papadopoulos, George A. and Rademacher, Florian and Soldani, Jacopo},
     title = {Streamlining XR Application Deployment with a Localized Docker Registry at the Edge},
     booktitle = {Service-Oriented and Cloud Computing},
     year = {2023},
     publisher = {Springer Nature Switzerland},
     address = {Cham},
     pages = {188--202},
     isbn = {978-3-031-46235-1},
   }

5. C

   RHALE: Robust and Heterogeneity-Aware Accumulated Local Effects

   Vasilis Gkolemis, Theodore Dalamagas, Eirini Ntoutsi, and Christos Diou

   In European Conference on Artificial Intelligence (ECAI 2023), 2023

   Bib

   @inproceedings{gkolemis2023rhale,
     title = {RHALE: Robust and Heterogeneity-Aware Accumulated Local Effects},
     author = {Gkolemis, Vasilis and Dalamagas, Theodore and Ntoutsi, Eirini and Diou, Christos},
     booktitle = {European Conference on Artificial Intelligence (ECAI 2023)},
     pages = {859--866},
     year = {2023},
     publisher = {IOS Press},
   }

6. C

   Sampling strategies for mitigating bias in face synthesis methods

   Manolis Maragkoudakis, Iraklis Varlamis, Symeon Papadopoulos, and Christos Diou

   In ECML-PKDD 2023 Workshop on Bias and Fairness in AI (BIAS 2023), 2023

   Bib

   @inproceedings{maragkoudakis2023,
     title = {Sampling strategies for mitigating bias in face synthesis methods},
     author = {Maragkoudakis, Manolis and Varlamis, Iraklis and Papadopoulos, Symeon and Diou, Christos},
     booktitle = {ECML-PKDD 2023 Workshop on Bias and Fairness in AI (BIAS 2023)},
     year = {2023},
   }

7. C

   Towards Fair Face Verification: An In-depth Analysis of Demographic Biases

   Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, and Christos Diou

   In ECML-PKDD 2023 Workshop on Bias and Fairness in AI (BIAS 2023), 2023

   Bib

   @inproceedings{sarridis2023towards,
     title = {Towards Fair Face Verification: An In-depth Analysis of Demographic Biases},
     author = {Sarridis, Ioannis and Koutlis, Christos and Papadopoulos, Symeon and Diou, Christos},
     booktitle = {ECML-PKDD 2023 Workshop on Bias and Fairness in AI (BIAS 2023)},
     year = {2023},
   }

8. C

   Regionally Additive Models: Explainable-by-design models minimizing feature interactions

   Vasilis Gkolemis, Anargiros Tzerefos, Theodore Dalamagas, Eirini Ntoutsi, and Christos Diou

   In ECML-PKDD 2023 Workshop "Uncertainty meets Explainability in Machine Learning", 2023

   Bib

   @inproceedings{gkolemis2023regionally,
     title = {{R}egionally {A}dditive {M}odels: {E}xplainable-by-design models minimizing feature interactions},
     author = {Gkolemis, Vasilis and Tzerefos, Anargiros and Dalamagas, Theodore and Ntoutsi, Eirini and Diou, Christos},
     booktitle = {ECML-PKDD 2023 Workshop "Uncertainty meets Explainability in Machine Learning"},
     year = {2023},
   }

9. C

   CNN Feature Map Augmentation for Single-Source Domain Generalization

   Aristotelis Ballas, and Christos Diou

   In 2023 IEEE Ninth International Conference on Big Data Computing Service and Applications (BigDataService), 2023

   DOI Bib

   @inproceedings{ballas2023bds,
     author = {Ballas, Aristotelis and Diou, Christos},
     booktitle = {2023 IEEE Ninth International Conference on Big Data Computing Service and Applications (BigDataService)},
     title = {CNN Feature Map Augmentation for Single-Source Domain Generalization},
     year = {2023},
     pages = {127-131},
     doi = {10.1109/BigDataService58306.2023.00024},
   }

10. C

    Detection of Anomalies in Multivariate Time Series Using Ensemble Techniques

    Anastasios Iliopoulos, John Violos, Christos Diou, and Iraklis Varlamis

    In 2023 IEEE Ninth International Conference on Big Data Computing Service and Applications (BigDataService), 2023

    Bib

    @inproceedings{iliopoulos2023detection,
      title = {Detection of Anomalies in Multivariate Time Series Using Ensemble Techniques},
      author = {Iliopoulos, Anastasios and Violos, John and Diou, Christos and Varlamis, Iraklis},
      booktitle = {2023 IEEE Ninth International Conference on Big Data Computing Service and Applications (BigDataService)},
      year = {2023},
    }

11. C

    CNNs with Multi-Level Attention for Domain Generalization

    Aristotelis Ballas, and Christos Diou

    In Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, 2023

    Bib

    @inproceedings{ballas2023cnns,
      title = {CNNs with Multi-Level Attention for Domain Generalization},
      author = {Ballas, Aristotelis and Diou, Christos},
      booktitle = {Proceedings of the 2023 ACM International Conference on Multimedia Retrieval},
      pages = {592--596},
      year = {2023},
    }

12. C

    A Cloud-based Continual Learning System for Road Sign Classification in Autonomous Driving

    Charis Davalas, Dimitrios Michail, Christos Diou, Iraklis Varlamis, and Konstantinos Tserpes

    In Proceedings of the 1st International Workshop on Computational Intelligence for Process Mining (CI4PM) and the 1st International Workshop on Pervasive Artificial Intelligence (PAI), co-located with the IEEE World Congress on Computational Intelligence (WCCI), 2023

    Bib

    @inproceedings{davalas2023cloud,
      title = {A Cloud-based Continual Learning System for Road Sign Classification in Autonomous Driving},
      author = {Davalas, Charis and Michail, Dimitrios and Diou, Christos and Varlamis, Iraklis and Tserpes, Konstantinos},
      booktitle = {Proceedings of the 1st International Workshop on Computational Intelligence for Process Mining (CI4PM) and the 1st International Workshop
      on Pervasive Artificial Intelligence (PAI), co-located with the IEEE World Congress on Computational Intelligence (WCCI)},
      year = {2023},
    }

2022

1. J

   Towards Systems Models for Obesity Prevention: A Big Role for Big Data

   Adele R Tufford, Christos Diou, Desiree A Luccassen, Ioannis Ioakimidis, Grace O’Malley, and 17 more authors

   Current Developments in Nutrition, Jul 2022

   nzac123

   DOI Bib

   @article{Tufford2022CDN,
     author = {Tufford, Adele R and Diou, Christos and Luccassen, Desiree A and Ioakimidis, Ioannis and O'Malley, Grace and Alagialoglou, Leonidas and Charmandari, Evangelia and Doyle, Gerardine and Filis, Konstantinos and Kassari, Penio and Kechadi, Tahar and Kilintzis, Vassilis and Kok, Esther and Lekka, Irini and Maglaveras, Nicos and Pagkalos, Ioannis and Papapanagiotou, Vasileios and Sarafis, Ioannis and Shahid, Arsalan and van ’t Veer, Pieter and Delopolous, Anastasios and Mars, Monica},
     title = {{Towards Systems Models for Obesity Prevention: A Big Role for Big Data}},
     journal = {Current Developments in Nutrition},
     year = {2022},
     month = jul,
     issn = {2475-2991},
     doi = {10.1093/cdn/nzac123},
     url = {https://doi.org/10.1093/cdn/nzac123},
     note = {nzac123},
     eprint = {https://academic.oup.com/cdn/advance-article-pdf/doi/10.1093/cdn/nzac123/45193813/nzac123.pdf},
   }

2. J

   Intake monitoring in free-living conditions: Overview and lessons we have learned

   Christos Diou, Konstantinos Kyritsis, Vasileios Papapanagiotou, and Ioannis Sarafis

   Appetite, Jul 2022

   DOI Bib

   @article{Diou2022Appetite,
     title = {Intake monitoring in free-living conditions: Overview and lessons we have learned},
     journal = {Appetite},
     volume = {176},
     pages = {106096},
     year = {2022},
     issn = {0195-6663},
     doi = {https://doi.org/10.1016/j.appet.2022.106096},
     url = {https://www.sciencedirect.com/science/article/pii/S0195666322001878},
     author = {Diou, Christos and Kyritsis, Konstantinos and Papapanagiotou, Vasileios and Sarafis, Ioannis},
     keywords = {Objective intake monitoring, Passive intake monitoring, Wearables, Artificial intelligence for dietary monitoring},
   }

3. C

   DALE: Differential Accumulated Local Effects for efficient and accurate global explanations

   Vasilis Gkolemis, Theodore Dalamagas, and Christos Diou

   In 14th Asian Conference on Machine Learning (ACML 2022), Hyderabad, India, Jul 2022

   Bib

   @inproceedings{GkolemisACML2022,
     title = {DALE: Differential Accumulated Local Effects for efficient and accurate global explanations},
     author = {Gkolemis, Vasilis and Dalamagas, Theodore and Diou, Christos},
     booktitle = {14th Asian Conference on Machine Learning (ACML 2022)},
     location = {Hyderabad, India},
     year = {2022},
   }

4. C

   Listen to your heart: A self-supervised approach for detecting murmur in heart-beat sounds for the Physionet 2022 challenge

   Aristotelis Ballas, Vasileios Papapanagiotou, Anastasios Delopoulos, and Christos Diou

   In Computing in Cardiology, Tampere, Finland, Jul 2022

   Bib

   @inproceedings{BallasCINC2022,
     title = {Listen to your heart: A self-supervised approach for detecting murmur in heart-beat sounds for the Physionet 2022 challenge},
     author = {Ballas, Aristotelis and Papapanagiotou, Vasileios and Delopoulos, Anastasios and Diou, Christos},
     booktitle = {Computing in Cardiology},
     year = {2022},
     series = {CinC 2022},
     location = {Tampere, Finland},
   }

5. C

   Multi-layer Representation Learning for Robust OOD Image Classification

   Aristotelis Ballas, and Christos Diou

   In 12th Hellenic Conference on Artificial Intelligence, Corfu, Greece, Jul 2022

   Bib

   @inproceedings{BallasSETN2022,
     title = {Multi-layer Representation Learning for Robust OOD Image Classification},
     author = {Ballas, Aristotelis and Diou, Christos},
     booktitle = {12th Hellenic Conference on Artificial Intelligence},
     location = {Corfu, Greece},
     series = {SETN 2022},
     year = {2022},
   }

6. C

   An evaluation framework for comparing causal inference models

   Niki Kiriakidou, and Christos Diou

   In 12th Hellenic Conference on Artificial Intelligence, Corfu, Greece, Jul 2022

   Bib

   @inproceedings{KiriakidouSETN2022,
     title = {An evaluation framework for comparing causal inference models},
     author = {Kiriakidou, Niki and Diou, Christos},
     booktitle = {12th Hellenic Conference on Artificial Intelligence},
     location = {Corfu, Greece},
     series = {SETN 2022},
     year = {2022},
   }

7. C

   A Domain Generalization Approach for Out-Of-Distribution 12-lead ECG Classification with Convolutional Neural Networks

   Aristotelis Ballas, and Christos Diou

   In 2022 IEEE Eight International Conference on Big Data Computing Service and Applications (BigDataService), Jul 2022

   Bib

   @inproceedings{BallasBDS2022,
     title = {A Domain Generalization Approach for Out-Of-Distribution 12-lead ECG Classification with Convolutional Neural Networks},
     author = {Ballas, Aristotelis and Diou, Christos},
     booktitle = {2022 IEEE Eight International Conference on Big Data Computing Service and Applications (BigDataService)},
     year = {2022},
   }

8. C

   An Improved Neural Network Model for Treatment Effect Estimation (best paper award)

   Niki Kiriakidou, and Christos Diou

   In Artificial Intelligence Applications and Innovations, Jul 2022

   Bib

   @inproceedings{KiriakidouAIAI2022,
     author = {Kiriakidou, Niki and Diou, Christos},
     editor = {Maglogiannis, Ilias and Iliadis, Lazaros and Macintyre, John and Cortez, Paulo},
     title = {An Improved Neural Network Model for Treatment Effect Estimation (best paper award)},
     booktitle = {Artificial Intelligence Applications and Innovations},
     year = {2022},
     publisher = {Springer International Publishing},
     pages = {147--158},
   }

9. C

   Partially Oblivious Neural Network Inference

   Panagiotis Rizomiliotis, Christos Diou, Aikaterini Triakosia, Ilias Kyrannas, and Konstantinos Tserpes

   In Proceedings of the 19th International Conference on Security and Cryptography, SECRYPT 2022, Lisbon, Portugal, July 11-13, 2022, Jul 2022

   DOI Bib

   @inproceedings{RizomiliotisSECRYPT22,
     author = {Rizomiliotis, Panagiotis and Diou, Christos and Triakosia, Aikaterini and Kyrannas, Ilias and Tserpes, Konstantinos},
     editor = {di Vimercati, Sabrina De Capitani and Samarati, Pierangela},
     title = {Partially Oblivious Neural Network Inference},
     booktitle = {Proceedings of the 19th International Conference on Security and Cryptography,
                    {SECRYPT} 2022, Lisbon, Portugal, July 11-13, 2022},
     pages = {158--169},
     publisher = {{SCITEPRESS}},
     year = {2022},
     url = {https://doi.org/10.5220/0011272500003283},
     doi = {10.5220/0011272500003283},
     timestamp = {Thu, 04 Aug 2022 11:04:46 +0200},
     biburl = {https://dblp.org/rec/conf/secrypt/RizomiliotisDTK22.bib},
     bibsource = {dblp computer science bibliography, https://dblp.org},
   }

10. C

    Computationally Efficient Rehearsal for Online Continual Learning

    Charalampos Davalas, Dimitrios Michail, Christos Diou, Iraklis Varlamis, and Konstantinos Tserpes

    In Image Analysis and Processing – ICIAP 2022, Jul 2022

    Bib

    @inproceedings{DavalasICIAP2022,
      author = {Davalas, Charalampos and Michail, Dimitrios and Diou, Christos and Varlamis, Iraklis and Tserpes, Konstantinos},
      editor = {Sclaroff, Stan and Distante, Cosimo and Leo, Marco and Farinella, Giovanni M. and Tombari, Federico},
      title = {Computationally Efficient Rehearsal for Online Continual Learning},
      booktitle = {Image Analysis and Processing -- ICIAP 2022},
      year = {2022},
      publisher = {Springer International Publishing},
      address = {Cham},
      pages = {39--49},
      isbn = {978-3-031-06433-3},
    }

11. Artificial intelligence and machine learning for objective intake monitoring

    Christos Diou, Konstantinos Kyritsis, Vasileios Papapanagiotou, Ioannis Sarafis, and Anastasios Delopoulos

    Public Health and Toxicology, Jul 2022

    DOI

2021

1. J

   Exploring Associations Between Children’s Obesogenic Behaviors and the Local Environment Using Big Data: Development and Evaluation of the Obesity Prevention Dashboard

   Dimitris Filos, Irini Lekka, Vasileios Kilintzis, Leandros Stefanopoulos, Youla Karavidopoulou, and 14 more authors

   JMIR Mhealth Uhealth, Jul 2021

   DOI Bib

   @article{FilosJMIR2021,
     author = {Filos, Dimitris and Lekka, Irini and Kilintzis, Vasileios and Stefanopoulos, Leandros and Karavidopoulou, Youla and Maramis, Christos and Diou, Christos and Sarafis, Ioannis and Papapanagiotou, Vasileios and Alagialoglou, Leonidas and Ioakeimidis, Ioannis and Hassapidou, Maria and Charmandari, Evangelia and Heimeier, Rachel and O'Malley, Grace and O'Donnell, Shane and Doyle, Gerardine and Delopoulos, Anastasios and Maglaveras, Nicos},
     title = {Exploring Associations Between Children's Obesogenic Behaviors and the Local Environment Using Big Data: Development and Evaluation of the Obesity Prevention Dashboard},
     journal = {JMIR Mhealth Uhealth},
     year = {2021},
     month = jul,
     day = {9},
     volume = {9},
     number = {7},
     pages = {e26290},
     keywords = {public health authorities; childhood obesity; children's behavior; environment; COVID-19; big data; mHealth; uHealth; intervention},
     issn = {2291-5222},
     doi = {10.2196/26290},
     url = {http://www.ncbi.nlm.nih.gov/pubmed/34048353},
   }

2. J

   Demand Response Alert Service Based on Appliance Modeling

   Ioanna-M. Chatzigeorgiou, Christos Diou, Kyriakos C. Chatzidimitriou, and Georgios T. Andreou

   Energies, Jul 2021

   DOI Bib

   @article{ChatzigeorgiouEnergies2021,
     author = {Chatzigeorgiou, Ioanna-M. and Diou, Christos and Chatzidimitriou, Kyriakos C. and Andreou, Georgios T.},
     title = {Demand Response Alert Service Based on Appliance Modeling},
     journal = {Energies},
     volume = {14},
     year = {2021},
     number = {10},
     article-number = {2953},
     url = {https://www.mdpi.com/1996-1073/14/10/2953},
     issn = {1996-1073},
     doi = {10.3390/en14102953},
   }

3. J

   Fast Eating Is Associated with Increased BMI among High-School Students

   Petter Fagerberg, Evangelia Charmandari, Christos Diou, Rachel Heimeier, Youla Karavidopoulou, and 11 more authors

   Nutrients, Jul 2021

   DOI Bib

   @article{FagerbergNutrients2021,
     author = {Fagerberg, Petter and Charmandari, Evangelia and Diou, Christos and Heimeier, Rachel and Karavidopoulou, Youla and Kassari, Penio and Koukoula, Evangelia and Lekka, Irini and Maglaveras, Nicos and Maramis, Christos and Pagkalos, Ioannis and Papapanagiotou, Vasileios and Riviou, Katerina and Sarafis, Ioannis and Tragomalou, Athanasia and Ioakimidis, Ioannis},
     title = {Fast Eating Is Associated with Increased BMI among High-School Students},
     journal = {Nutrients},
     volume = {13},
     year = {2021},
     number = {3},
     article-number = {880},
     url = {https://www.mdpi.com/2072-6643/13/3/880},
     pubmedid = {33803093},
     issn = {2072-6643},
     doi = {10.3390/nu13030880},
   }

4. C

   Recognition of Food-Texture Attributes Using an In-Ear Microphone

   Vasileios Papapanagiotou, Christos Diou, Janet Boer, Monica Mars, and Anastasios Delopoulos

   In Pattern Recognition. ICPR International Workshops and Challenges, Jul 2021

   Bib

   @inproceedings{PapanagiotouICIAP2021,
     author = {Papapanagiotou, Vasileios and Diou, Christos and van den Boer, Janet and Mars, Monica and Delopoulos, Anastasios},
     editor = {Del Bimbo, Alberto and Cucchiara, Rita and Sclaroff, Stan and Farinella, Giovanni Maria and Mei, Tao and Bertini, Marco and Escalante, Hugo Jair and Vezzani, Roberto},
     title = {Recognition of Food-Texture Attributes Using an In-Ear Microphone},
     booktitle = {Pattern Recognition. ICPR International Workshops and Challenges},
     year = {2021},
     publisher = {Springer International Publishing},
     address = {Cham},
     pages = {558--570},
     isbn = {978-3-030-68821-9},
   }

5. C

   Self-Supervised Feature Learning of 1D Convolutional Neural Networks with Contrastive Loss for Eating Detection Using an In-Ear Microphone

   Vasileios Papapanagiotou, Christos Diou, and Anastasios Delopoulos

   In 2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), Jul 2021

   DOI Bib

   @inproceedings{PapapanagiotouEMBC2021,
     author = {Papapanagiotou, Vasileios and Diou, Christos and Delopoulos, Anastasios},
     booktitle = {2021 43rd Annual International Conference of the IEEE Engineering in Medicine \& Biology Society (EMBC)},
     title = {Self-Supervised Feature Learning of 1D Convolutional Neural Networks with Contrastive Loss for Eating Detection Using an In-Ear Microphone},
     year = {2021},
     pages = {7186-7189},
     doi = {10.1109/EMBC46164.2021.9630399},
   }

6. Evaluation of the BigO behavioral indicators in overweight and obese children and adolescents

   Penio Kassari, Athanasia Tragomalou, Aikaterini Vourdoumpa, Diamanto Koutaki, Marina Papadopoulou, and 6 more authors

   Hormone Research in Paediatrics (ESPE Abstracts), Jul 2021
7. Evaluation of the BigO system during the COVID-19 outbreak in Greece

   Penio Kassari, Athanasia Tragomalou, Aikaterini Vourdoumpa, Diamanto Koutaki, Marina Papadopoulou, and 6 more authors

   Hormone Research in Paediatrics (ESPE Abstracts), Jul 2021
8. Evaluation of the BigO system in a clinical setting in Greece

   Penio Kassari, Athanasia Tragomalou, Aikaterini Vourdoumpa, Diamanto Koutaki, Marina Papadopoulou, and 6 more authors

   Hormone Research in Paediatrics (ESPE Abstracts), Jul 2021

2020

1. J

   Formative Evaluation of a Smartphone App for Monitoring Daily Meal Distribution and Food Selection in Adolescents: Acceptability and Usability Study

   Billy Langlet, Christos Maramis, Christos Diou, Nikolaos Maglaveras, Petter Fagerberg, and 4 more authors

   JMIR Mhealth Uhealth, Jul 2020

   DOI Bib

   @article{LangletJMIR2020,
     author = {Langlet, Billy and Maramis, Christos and Diou, Christos and Maglaveras, Nikolaos and Fagerberg, Petter and Heimeier, Rachel and Lekka, Irini and Delopoulos, Anastasios and Ioakimidis, Ioannis},
     title = {Formative Evaluation of a Smartphone App for Monitoring Daily Meal Distribution and Food Selection in Adolescents: Acceptability and Usability Study},
     journal = {JMIR Mhealth Uhealth},
     year = {2020},
     month = jul,
     day = {21},
     volume = {8},
     number = {7},
     pages = {e14778},
     keywords = {mHealth; eHealth; dietary behavior; lifestyle behavioral monitoring; lifestyle interventions; obesity; mobile phone; smartphone; weight management; overweight},
     issn = {2291-5222},
     doi = {10.2196/14778},
     url = {http://www.ncbi.nlm.nih.gov/pubmed/32706684},
   }

2. J

   Novel e-Health Applications for the Management of Cardiometabolic Risk Factors in Children and Adolescents in Greece

   Athanasia Tragomalou, George Moschonis, Yannis Manios, Penio Kassari, Ioannis Ioakimidis, and 5 more authors

   Nutrients, Jul 2020

   Bib

   @article{Tragomalou2020,
     title = {Novel e-Health Applications for the Management of Cardiometabolic Risk Factors in Children and Adolescents in Greece},
     author = {Tragomalou, Athanasia and Moschonis, George and Manios, Yannis and Kassari, Penio and Ioakimidis, Ioannis and Diou, Christos and Stefanopoulos, Leandros and Lekka, Eirini and Maglaveras, Nicos and Delopoulos, Anastasios},
     journal = {Nutrients},
     volume = {12},
     number = {5},
     pages = {1380},
     year = {2020},
     publisher = {Multidisciplinary Digital Publishing Institute},
   }

3. J

   A Data Driven End-to-end Approach for In-the-wild Monitoring of Eating Behavior Using Smartwatches

   Konstantinos Kyritsis, Christos Diou, and Anastasios Delopoulos

   IEEE Journal of Biomedical and Health Informatics, Jul 2020

   Bib

   @article{KyritsisJBHI2020,
     title = {A Data Driven End-to-end Approach for In-the-wild Monitoring of Eating Behavior Using Smartwatches},
     author = {Kyritsis, Konstantinos and Diou, Christos and Delopoulos, Anastasios},
     journal = {IEEE Journal of Biomedical and Health Informatics},
     year = {2020},
     publisher = {IEEE},
   }

4. C

   Combining PENCIL with AMDIM for Image Classification with Noisy and Sparsely Labeled Data

   Alexandros Petropoulos, and Christos Diou

   In 11th Hellenic Conference on Artificial Intelligence, Athens, Greece, Jul 2020

   DOI Bib

   @inproceedings{Petropoulos2020,
     author = {Petropoulos, Alexandros and Diou, Christos},
     title = {Combining PENCIL with AMDIM for Image Classification with Noisy and Sparsely Labeled Data},
     year = {2020},
     isbn = {9781450388788},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     url = {https://doi.org/10.1145/3411408.3411441},
     doi = {10.1145/3411408.3411441},
     booktitle = {11th Hellenic Conference on Artificial Intelligence},
     pages = {93–96},
     numpages = {4},
     keywords = {deep learning, label noise, neural networks, self-learning},
     location = {Athens, Greece},
     series = {SETN 2020},
   }

5. C

   eeRIS-NILM: An Open Source, Unsupervised Baseline for Real-Time Feedback Through NILM

   Christos Diou, and Georgios Andreou

   In 2020 55th International Universities Power Engineering Conference (UPEC), Jul 2020

   DOI Bib

   @inproceedings{DiouUPEC2020,
     author = {Diou, Christos and Andreou, Georgios},
     booktitle = {2020 55th International Universities Power Engineering Conference (UPEC)},
     title = {eeRIS-NILM: An Open Source, Unsupervised Baseline for Real-Time Feedback Through NILM},
     year = {2020},
     pages = {1-6},
     doi = {10.1109/UPEC49904.2020.9209866},
   }

6. C

   Targeted Messaging for Appliance-based Demand Response

   Ioanna-M. Chatzigeorgiou, Christos Diou, and Georgios T. Andreou

   In 2020 55th International Universities Power Engineering Conference (UPEC), Jul 2020

   DOI Bib

   @inproceedings{ChatzigeorgiouUPEC2020,
     author = {Chatzigeorgiou, Ioanna-M. and Diou, Christos and Andreou, Georgios T.},
     booktitle = {2020 55th International Universities Power Engineering Conference (UPEC)},
     title = {Targeted Messaging for Appliance-based Demand Response},
     year = {2020},
     doi = {10.1109/UPEC49904.2020.9209823},
   }

7. C

   Achieving engagement of residential electrical energy consumers through real-time feedback: The eeRIS vision

   Ioanna-Mirto Chatzigeorgiou, Christos Diou, Anastasia Stefanidi, and Georgios T. Andreou

   In 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / ICPS Europe), Jul 2020

   DOI Bib

   @inproceedings{ChatzigeorgiouEEEIC2020,
     author = {Chatzigeorgiou, Ioanna-Mirto and Diou, Christos and Stefanidi, Anastasia and Andreou, Georgios T.},
     booktitle = {2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / ICPS Europe)},
     title = {Achieving engagement of residential electrical energy consumers through real-time feedback: The eeRIS vision},
     year = {2020},
     doi = {10.1109/EEEIC/ICPSEurope49358.2020.9160685},
   }

8. C

   BigO: A public health decision support system for measuring obesogenic behaviors of children in relation to their local environment

   Christos Diou, Ioannis Sarafis, Vasileios Papapanagiotou, Leonidas Alagialoglou, Irini Lekka, and 6 more authors

   In 2020 42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2020

   Bib

   @inproceedings{DiouEMBC2020,
     author = {Diou, Christos and Sarafis, Ioannis and Papapanagiotou, Vasileios and Alagialoglou, Leonidas and Lekka, Irini and Filos, Dimitrios and Stefanopoulos, Leandros and Kilintzis, Vasileios and Maramis, Christos and Karavidopoulou, Youla and others},
     title = {{BigO}: {A} public health decision support system for measuring obesogenic behaviors of children in relation to their local environment},
     booktitle = {2020 42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
     year = {2020},
   }

9. C

   Inferring the Spatial Distribution of Physical Activity in Children Population from Characteristics of the Environment

   Ioannis Sarafis, Christos Diou, Vasileios Papapanagiotou, Leonidas Alagialoglou, and Anastasios Delopoulos

   In 2020 42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2020

   Bib

   @inproceedings{SarafisEMBC2020,
     author = {Sarafis, Ioannis and Diou, Christos and Papapanagiotou, Vasileios and Alagialoglou, Leonidas and Delopoulos, Anastasios},
     title = {Inferring the Spatial Distribution of Physical Activity in Children Population from Characteristics of the Environment},
     booktitle = {2020 42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
     year = {2020},
   }

10. C

    Collecting big behavioral data for measuring behavior against obesity

    Vasileios Papapanagiotou, Ioannis Sarafis, Christos Diou, Ioannis Ioakimidis, Evangelia Charmandari, and 1 more author

    In 2020 42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2020

    Bib

    @inproceedings{PapapanagiotouEMBC2020,
      author = {Papapanagiotou, Vasileios and Sarafis, Ioannis and Diou, Christos and Ioakimidis, Ioannis and Charmandari, Evangelia and Delopoulos, Anastasios},
      title = {Collecting big behavioral data for measuring behavior against obesity},
      booktitle = {2020 42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
      year = {2020},
    }

11. C

    Developing a Novel Citizen-Scientist Smartphone App for Collecting Behavioral and Affective Data from Children Populations

    Christos Maramis, Ioannis Ioakimidis, Vassilis Kilintzis, Leandros Stefanopoulos, Eirini Lekka, and 6 more authors

    In Wireless Mobile Communication and Healthcare, Jul 2020

    Bib

    @inproceedings{MaramisMobihealth2020,
      author = {Maramis, Christos and Ioakimidis, Ioannis and Kilintzis, Vassilis and Stefanopoulos, Leandros and Lekka, Eirini and Papapanagiotou, Vasileios and Diou, Christos and Delopoulos, Anastasios and Kassari, Penio and Charmandari, Evangelia and Maglaveras, Nikolaos},
      title = {Developing a Novel Citizen-Scientist Smartphone App for Collecting Behavioral and Affective Data from Children Populations},
      booktitle = {Wireless Mobile Communication and Healthcare},
      year = {2020},
      publisher = {Springer International Publishing},
    }

2019

1. J

   Predicting real-life eating behaviours using single school lunches in adolescents

   Billy Langlet, Petter Fagerberg, Anastasios Delopoulos, Vasileios Papapanagiotou, Christos Diou, and 4 more authors

   Nutrients, Jul 2019

   Bib

   @article{LangletNutr2019,
     title = {Predicting real-life eating behaviours using single school lunches in adolescents},
     author = {Langlet, Billy and Fagerberg, Petter and Delopoulos, Anastasios and Papapanagiotou, Vasileios and Diou, Christos and Maramis, Christos and Maglaveras, Nikolaos and Anvret, Anna and Ioakimidis, Ioannis},
     journal = {Nutrients},
     volume = {11},
     number = {3},
     pages = {672},
     year = {2019},
     publisher = {Multidisciplinary Digital Publishing Institute},
   }

2. J

   Modeling Wrist Micromovements to Measure In-Meal Eating Behavior from Inertial Sensor Data

   Konstantinos Kyritsis, Christos Diou, and Anastasios Delopoulos

   IEEE Journal of Biomedical and Health Informatics, Jul 2019

   Bib

   @article{KyritsisJBHI2019,
     title = {Modeling Wrist Micromovements to Measure In-Meal Eating Behavior from Inertial Sensor Data},
     author = {Kyritsis, Konstantinos and Diou, Christos and Delopoulos, Anastasios},
     journal = {IEEE Journal of Biomedical and Health Informatics},
     year = {2019},
     publisher = {IEEE},
   }

3. C

   Behaviour Profiles for Evidence-based Policies Against Obesity

   Ioannis Sarafis, Christos Diou, and Anastasios Delopoulos

   In 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2019

   Bib

   @inproceedings{SarafisEMBC2019a,
     author = {Sarafis, Ioannis and Diou, Christos and Delopoulos, Anastasios},
     title = {Behaviour Profiles for Evidence-based Policies Against Obesity},
     booktitle = {2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
     year = {2019},
   }

4. C

   Assessment of In-Meal Eating Behaviour Using Fuzzy SVM

   Ioannis Sarafis, Christos Diou, Ioannis Ioakimidis, and Anastasios Delopoulos

   In 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2019

   Bib

   @inproceedings{SarafisEMBC2019b,
     author = {Sarafis, Ioannis and Diou, Christos and Ioakimidis, Ioannis and Delopoulos, Anastasios},
     title = {Assessment of In-Meal Eating Behaviour Using Fuzzy SVM},
     booktitle = {2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
     year = {2019},
   }

5. C

   Detecting Meals in the Wild Using the Inertial Data of a Typical Smartwatch

   Konstantions Kyritsis, Christos Diou, and Anastasios Delopoulos

   In 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2019

   Bib

   @inproceedings{KyritsisEMBC2019,
     author = {Kyritsis, Konstantions and Diou, Christos and Delopoulos, Anastasios},
     title = {Detecting Meals in the Wild Using the Inertial Data of a Typical Smartwatch},
     booktitle = {2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
     year = {2019},
   }

6. BigO: The use of New Technologies for the Management of Childhood Obesity – A Clinical Pilot Study

   Athanasia Tragomalou, Penio Kassari, Ioannis Ioakeimidis, Konstantinos Filis, Eleni Theodoropoulou, and 6 more authors

   In 58th Annual ESPE, Jul 2019

2018

1. J

   Image-Based Surrogates of Socio-Economic Status in Urban Neighborhoods Using Deep Multiple Instance Learning

   Christos Diou, Pantelis Lelekas, and Anastasios Delopoulos

   Journal of Imaging, Jul 2018

   Bib

   @article{DiouMDPIJI2018,
     title = {Image-Based Surrogates of Socio-Economic Status in Urban Neighborhoods Using Deep Multiple Instance Learning},
     author = {Diou, Christos and Lelekas, Pantelis and Delopoulos, Anastasios},
     journal = {Journal of Imaging},
     volume = {4},
     number = {11},
     pages = {125},
     year = {2018},
     publisher = {Multidisciplinary Digital Publishing Institute},
   }

2. J

   The SPLENDID Eating Detection Sensor: Development and Feasibility Study

   Janet Boer, Annemiek Lee, Lingchuan Zhou, Vasileios Papapanagiotou, Christos Diou, and 2 more authors

   JMIR mHealth and uHealth, Jul 2018

   Bib

   @article{vandenBoerJMIR2018,
     title = {The SPLENDID Eating Detection Sensor: Development and Feasibility Study},
     author = {van den Boer, Janet and van der Lee, Annemiek and Zhou, Lingchuan and Papapanagiotou, Vasileios and Diou, Christos and Delopoulos, Anastasios and Mars, Monica},
     journal = {JMIR mHealth and uHealth},
     volume = {6},
     number = {9},
     year = {2018},
     publisher = {JMIR Publications Inc.},
   }

3. J

   Of daemons and men: Reducing false positive rate in Intrusion Detection Systems with fileesystem footprint analysis

   Georgios Mamalakis, Christos Diou, Andreas Symeonidis, and Leonidas Georgiadis

   Neural Computing and Applications, Jul 2018

   Bib

   @article{MamalakisNCAA2018,
     author = {Mamalakis, Georgios and Diou, Christos and Symeonidis, Andreas and Georgiadis, Leonidas},
     title = {Of daemons and men: Reducing false positive rate in Intrusion Detection Systems with fileesystem footprint analysis},
     journal = {Neural Computing and Applications},
     year = {2018},
   }

4. J

   Control of Eating Behavior Using a Novel Feedback System

   Mayram Esfandiari, Vasileios Papapanagiotou, Christos Diou, Modjtaba Zandian, Jenny Nolstam, and 2 more authors

   J. Vis. Exp. , Jul 2018

   Bib

   @article{esfandiariJoVE2018,
     author = {Esfandiari, Mayram and Papapanagiotou, Vasileios and Diou, Christos and Zandian, Modjtaba and Nolstam, Jenny and S\"{o}dersten, Per and Bergh, Cecilia},
     title = {Control of Eating Behavior Using a Novel Feedback System},
     journal = {J. Vis. Exp. },
     year = {2018},
     volume = {e57432},
     number = {135},
   }

5. J

   Automatic analysis of food intake and meal microstructure based on continuous weight measurements

   Vasileios Papapanagiotou, Christos Diou, Ioannis Ioakimidis, Per Sodersten, and Anastasios Delopoulos

   IEEE Journal of Biomedical and Health Informatics, Jul 2018

   Bib

   @article{PapapanagiotouJBHI2018,
     author = {Papapanagiotou, Vasileios and Diou, Christos and Ioakimidis, Ioannis and Sodersten, Per and Delopoulos, Anastasios},
     journal = {IEEE Journal of Biomedical and Health Informatics},
     title = {Automatic analysis of food intake and meal microstructure based on continuous weight measurements},
     year = {2018},
     issn = {2168-2194},
   }

6. C

   End-to-end Learning for Measuring in-meal Eating Behavior from a Smartwatch

   Konstantinos Kyritsis, Christos Diou, and Anastasios Delopoulos

   In 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2018

   Bib

   @inproceedings{KyritsisEMBC2018,
     author = {Kyritsis, Konstantinos and Diou, Christos and Delopoulos, Anastasios},
     title = {End-to-end Learning for Measuring in-meal Eating Behavior from a Smartwatch},
     booktitle = {2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
     year = {2018},
   }

7. Span error bound for weighted SVM with applications in hyperparameter selection

   Ioannis Sarafis, Christos Diou, and Anastasios Delopoulos

   Jul 2018
8. BigO: Big Data Against Childhood Obesity

   Christos Diou, Ioannis Ioakeimidis, Evangelia Charmandari, Penio Kassari, Irini Lekka, and 6 more authors

   In 57th Annual ESPE, Jul 2018

2017

1. A Novel Chewing Detection System Based on PPG, Audio, and Accelerometry

   Vasileios Papapanagiotou, Christos Diou, Lingchuan Zhou, Janet Boer, Monica Mars, and 1 more author

   IEEE Journal of Biomedical and Health Informatics, Jul 2017

   Bib

   @article{PapapanagiotouJBHI2017,
     author = {Papapanagiotou, Vasileios and Diou, Christos and Zhou, Lingchuan and van den Boer, Janet and Mars, Monica and Delopoulos, Anastasios},
     journal = {IEEE Journal of Biomedical and Health Informatics},
     title = {A Novel Chewing Detection System Based on PPG, Audio, and Accelerometry},
     year = {2017},
     volume = {21},
     number = {3},
     pages = {607-618},
     issn = {2168-2194},
   }

2. J

   Objective measures of eating behaviour in a Swedish high school

   Billy Langlet, Anna Anvret, Christos Maramis, Ioannis Moulos, Vasileios Papapanagiotou, and 5 more authors

   Behaviour & Information Technology, Jul 2017

   Bib

   @article{LangletBIT2017,
     author = {Langlet, Billy and Anvret, Anna and Maramis, Christos and Moulos, Ioannis and Papapanagiotou, Vasileios and Diou, Christos and Lekka, Eirini and Heimeier, Rachel and Delopoulos, Anastasios and Ioakimidis, Ioannis},
     title = {Objective measures of eating behaviour in a Swedish high school},
     journal = {Behaviour \& Information Technology},
     volume = {36},
     number = {10},
     pages = {1005-1013},
     year = {2017},
     publisher = {Taylor \& Francis},
   }

3. C

   Food Intake Detection from Inertial Sensors Using LSTM Networks

   Konstantinos Kyritsis, Christos Diou, and Anastasios Delopoulos

   In New Trends in Image Analysis and Processing–ICIAP 2017 Workshops, Jul 2017

   Bib

   @inproceedings{KyritsisICIAP2017,
     title = {Food Intake Detection from Inertial Sensors Using LSTM Networks},
     author = {Kyritsis, Konstantinos and Diou, Christos and Delopoulos, Anastasios},
     booktitle = {New Trends in Image Analysis and Processing--ICIAP 2017 Workshops},
     pages = {411--418},
     year = {2017},
     organization = {Springer International Publishing},
   }

4. C

   Learning local feature aggregation functions with backpropagation

   Angelos Katharopoulos, Despoina Paschalidou, Christos Diou, and Anastasios Delopoulos

   In 2017 25th European Signal Processing Conference (EUSIPCO), Jul 2017

   Bib

   @inproceedings{KatharopoulosEUSIPCO2017,
     author = {Katharopoulos, Angelos and Paschalidou, Despoina and Diou, Christos and Delopoulos, Anastasios},
     booktitle = {2017 25th European Signal Processing Conference (EUSIPCO)},
     title = {Learning local feature aggregation functions with backpropagation},
     year = {2017},
     pages = {748-752},
   }

5. C

   The SPLENDID chewing detection challenge

   Vasileios Papapanagiotou, Christos Diou, Lingchuan Zhou, Janet Boer, Monica Mars, and 1 more author

   In 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2017

   Bib

   @inproceedings{PapapanagiotouEMBC2017,
     author = {Papapanagiotou, Vasileios and Diou, Christos and Zhou, Lingchuan and van den Boer, Janet and Mars, Monica and Delopoulos, Anastasios},
     booktitle = {2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
     title = {The SPLENDID chewing detection challenge},
     year = {2017},
     pages = {817-820},
     issn = {1557-170X},
   }

6. C

   Automated analysis of in meal eating behavior using a commercial wristband IMU sensor

   Konstantinos Kyritsis, Christina-Lefkothea Tatli, Christos Diou, and Anastasios Delopoulos

   In 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2017

   Bib

   @inproceedings{KyritsisEMBC2017,
     author = {Kyritsis, Konstantinos and Tatli, Christina-Lefkothea and Diou, Christos and Delopoulos, Anastasios},
     booktitle = {2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
     title = {Automated analysis of in meal eating behavior using a commercial wristband IMU sensor},
     year = {2017},
     pages = {2843-2846},
     issn = {1557-170X},
   }

7. C

   Chewing detection from an in-ear microphone using convolutional neural networks

   Vasileios Papapanagiotou, Christos Diou, and Anastasios Delopoulos

   In 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Jul 2017

   Bib

   @inproceedings{PapapanagiotouEMBC2017b,
     author = {Papapanagiotou, Vasileios and Diou, Christos and Delopoulos, Anastasios},
     booktitle = {2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
     title = {Chewing detection from an in-ear microphone using convolutional neural networks},
     year = {2017},
     pages = {1258-1261},
     issn = {1557-170X},
   }

8. C

   Data-driven assessments for sensor measurements of eating behavior

   Christos Diou, Ioannis Sarafis, Ioannis Ioakimidis, and Anastasios Delopoulos

   In Proceedings of the 2017 International Conference on Biomedical and Health Informatics, (BHI2017), Jul 2017

   Bib

   @inproceedings{DiouBHI2017,
     author = {Diou, Christos and Sarafis, Ioannis and Ioakimidis, Ioannis and Delopoulos, Anastasios},
     title = {Data-driven assessments for sensor measurements of eating behavior},
     booktitle = {Proceedings of the 2017 International Conference on Biomedical and Health Informatics, (BHI2017)},
     year = {2017},
     address = {Orlando, Florida, USA},
   }

2016

1. J

   Online training of concept detectors for image retrieval using streaming clickthrough data

   Ioannis Sarafis, Christos Diou, and Anastasios Delopoulos

   Engineering Applications of Artificial Intelligence (EAAI), Jul 2016

   Bib

   @article{SarafisEAAI2016,
     author = {Sarafis, Ioannis and Diou, Christos and Delopoulos, Anastasios},
     title = {Online training of concept detectors for image retrieval using streaming clickthrough data},
     journal = {Engineering Applications of Artificial Intelligence (EAAI)},
     year = {2016},
     volume = {51},
     pages = {150--162},
   }

2. Response modeling of small-scale energy consumers for effective demand response applications

   Antonios Chrysopoulos, Christos Diou, Andreas L Symeonidis, and Pericles A Mitkas

   Electric Power Systems Research, Jul 2016

   Bib

   @article{ChrysopoulosEPR2016,
     title = {Response modeling of small-scale energy consumers for effective demand response applications},
     author = {Chrysopoulos, Antonios and Diou, Christos and Symeonidis, Andreas L and Mitkas, Pericles A},
     journal = {Electric Power Systems Research},
     volume = {132},
     pages = {78--93},
     year = {2016},
     publisher = {Elsevier},
   }

3. C

   Fast Supervised LDA for discovering micro-events in large-scale video datasets

   Angelos Katharopoulos, Despoina Paschalidou, Christos Diou, and Anastasios Delopoulos

   In In proceedings of the 24th ACM international conference on multimedia (ACM-MM 2016), Jul 2016

   Bib

   @inproceedings{KatharopoulosACMMM2016,
     author = {Katharopoulos, Angelos and Paschalidou, Despoina and Diou, Christos and Delopoulos, Anastasios},
     title = {Fast Supervised LDA for discovering micro-events in large-scale video datasets},
     booktitle = {In proceedings of the 24th ACM international conference on multimedia (ACM-MM 2016)},
     year = {2016},
     address = {Amsterdam, The Netherlands, 15-19 October 2016},
   }

4. C

   A novel approach for chewing detection based on a wearable PPG sensor

   Vasileios Papapanagiotou, Christos Diou, and Anastasios Delopoulos

   In In Proceedings of the 38th annual international conference of the IEEE Engineering in Medicine and Biology Society, Jul 2016

   Bib

   @inproceedings{PapapanagiotouEMBC2016,
     author = {Papapanagiotou, Vasileios and Diou, Christos and Delopoulos, Anastasios},
     title = {A novel approach for chewing detection based on a wearable PPG sensor},
     booktitle = {In Proceedings of the 38th annual international conference of the IEEE Engineering in Medicine and Biology Society},
     year = {2016},
     address = {{Orlando, FL, 16-20 August, 2016}},
   }

5. A PROBABILISTIC CONTEXT FREE GRAMMAR FOR FOOD INTAKE

   Cecilia Bergh, Per Södersten, Ioannis Ioakeimidis, Vasileios Papapanagiotou, Christos Diou, and 1 more author

   Jul 2016

   WIPO URL: \urlhttps://patentscope.wipo.int/search/en/detail.jsf?docId=WO2016167701
6. SPLENDID: A new mobile tool for weight management

   Janet Boer, Annemiek Lee, Christos Maramis, Christos Diou, Ioannis Ioakeimidis, and 6 more authors

   Appetite, Jul 2016

   (abstract)
7. SPLENDID: PREVENTING OBESITY AND EATING DISORDERS THROUGH BEHAVIOURAL MONITORING AND NORMALIZATION

   I Lekka, C Maramis, C Diou, I Ioakeimidis, Z Lingchuan, and 5 more authors

   In ACTA PAEDIATRICA, Jul 2016

   (abstract)

   Bib

   @inproceedings{lekka2016splendid,
     title = {SPLENDID: PREVENTING OBESITY AND EATING DISORDERS THROUGH BEHAVIOURAL MONITORING AND NORMALIZATION},
     author = {Lekka, I and Maramis, C and Diou, C and Ioakeimidis, I and Lingchuan, Z and Mars, M and Marti, I and Maglaveras, N and Bergh, C and Delopoulos, A},
     booktitle = {ACTA PAEDIATRICA},
     volume = {106},
     pages = {678},
     year = {2016},
     organization = {WILEY-BLACKWELL 111 RIVER ST, HOBOKEN 07030-5774, NJ USA},
     lume = {107},
     publisher = {Academic Press},
     note = {(abstract)},
   }

2015

1. J

   Improving Concept-Based Image Retrieval with Training Weights Computed from Tags

   Vasileios Papapanagiotou, Christos Diou, and Anastasios Delopoulos

   ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), Jul 2015

   Bib

   @article{PapapanagiotouTOMM2016,
     title = {Improving Concept-Based Image Retrieval with Training Weights Computed from Tags},
     author = {Papapanagiotou, Vasileios and Diou, Christos and Delopoulos, Anastasios},
     journal = {ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM)},
     volume = {12},
     number = {2},
     pages = {32},
     year = {2015},
     publisher = {ACM},
   }

2. J

   Building effective SVM concept detectors from clickthrough data for large-scale image retrieval

   Ioannis Sarafis, Christos Diou, and Anastasios Delopoulos

   International Journal of Multimedia Information Retrieval, Jul 2015

   Bib

   @article{SarafisIJMIR2015,
     title = {Building effective SVM concept detectors from clickthrough data for large-scale image retrieval},
     author = {Sarafis, Ioannis and Diou, Christos and Delopoulos, Anastasios},
     journal = {International Journal of Multimedia Information Retrieval},
     volume = {4},
     number = {2},
     pages = {129--142},
     year = {2015},
     publisher = {Springer London},
   }

3. C

   Fractal Nature of Chewing Sounds

   Vasileios Papapanagiotou, Christos Diou, Zhou Lingchuan, Janet Boer, Monica Mars, and 1 more author

   In New Trends in Image Analysis and Processing–ICIAP 2015 Workshops, Jul 2015

   Bib

   @incollection{PapapanagiotouICIAP2015,
     title = {Fractal Nature of Chewing Sounds},
     author = {Papapanagiotou, Vasileios and Diou, Christos and Lingchuan, Zhou and van den Boer, Janet and Mars, Monica and Delopoulos, Anastasios},
     booktitle = {New Trends in Image Analysis and Processing--ICIAP 2015 Workshops},
     pages = {401--408},
     year = {2015},
     publisher = {Springer International Publishing},
   }

4. C

   A parametric Probabilistic Context-Free Grammar for food intake analysis based on continuous meal weight measurements

   Vasileios Papapanagiotou, Christos Diou, Billy Langlet, Ioannis Ioakimidis, and Anastasios Delopoulos

   In Engineering in Medicine and Biology Society (EMBC), 2015 37th Annual International Conference of the IEEE, Jul 2015

   Bib

   @inproceedings{PapapanagiotouEMBC2015,
     title = {A parametric Probabilistic Context-Free Grammar for food intake analysis based on continuous meal weight measurements},
     author = {Papapanagiotou, Vasileios and Diou, Christos and Langlet, Billy and Ioakimidis, Ioannis and Delopoulos, Anastasios},
     booktitle = {Engineering in Medicine and Biology Society (EMBC), 2015 37th Annual International Conference of the IEEE},
     pages = {7853--7856},
     year = {2015},
     organization = {IEEE},
   }

5. C

   Analysing Behaviours for Intrusion Detection

   George Mamalakis, Christos Diou, and Andreas L Symeonidis

   In Communication Workshop (ICCW), 2015 IEEE International Conference on, Jul 2015

   Bib

   @inproceedings{MamalakisICCW2015,
     title = {Analysing Behaviours for Intrusion Detection},
     author = {Mamalakis, George and Diou, Christos and Symeonidis, Andreas L},
     booktitle = {Communication Workshop (ICCW), 2015 IEEE International Conference on},
     pages = {2645--2651},
     year = {2015},
     organization = {IEEE},
   }

6. C

   Automated Extraction of Food Intake Indicators from Continuous Meal Weight Measurements

   Vasileios Papapanagiotou, Christos Diou, Billy Langlet, Ioannis Ioakimidis, and Anastasios Delopoulos

   In Bioinformatics and Biomedical Engineering, Jul 2015

   Bib

   @incollection{PapapanagiotouIWBBIO2015,
     title = {Automated Extraction of Food Intake Indicators from Continuous Meal Weight Measurements},
     author = {Papapanagiotou, Vasileios and Diou, Christos and Langlet, Billy and Ioakimidis, Ioannis and Delopoulos, Anastasios},
     booktitle = {Bioinformatics and Biomedical Engineering},
     pages = {35--46},
     year = {2015},
     publisher = {Springer International Publishing},
   }

2014

1. J

   Of daemons and men: A file system approach towards intrusion detection

   Georgios Mamalakis, Christos Diou, Andreas L. Symeonidis, and Leonidas Georgiadis

   Applied Soft Computing, Jul 2014

   Bib

   @article{MamalakisASC2014,
     title = {Of daemons and men: A file system approach towards intrusion detection},
     author = {Mamalakis, Georgios and Diou, Christos and Symeonidis, Andreas L. and Georgiadis, Leonidas},
     year = {2014},
     journal = {Applied Soft Computing},
     volume = {25},
     number = {0},
     pages = {1--14},
   }

2. J

   Bottom-up modeling of small-scale energy consumers for effective Demand Response Applications

   Antonios Chrysopoulos, Christos Diou, Andreas L. Symeonidis, and Pericles A. Mitkas

   EAAI ’14, Jul 2014

   Bib

   @article{ChrysopoulosEAAI2014,
     title = {Bottom-up modeling of small-scale energy consumers for effective Demand Response Applications},
     author = {Chrysopoulos, Antonios and Diou, Christos and Symeonidis, Andreas L. and Mitkas, Pericles A.},
     year = {2014},
     journal = {EAAI '14},
     volume = {35},
     pages = {299- 315},
   }

3. C

   SPLENDID: Preventing Obesity and Eating Disorders through Long-term Behavioural Modifications

   Christos Maramis, Christos Diou, Ioannis Ioakeimidis, Irini Lekka, Gabriela Dudnik, and 4 more authors

   In MOBIHEALTH 2014, Jul 2014

   Bib

   @inproceedings{MaramisMOBIHEALTH2014,
     title = {{SPLENDID}: Preventing Obesity and Eating Disorders through Long-term Behavioural Modifications},
     author = {Maramis, Christos and Diou, Christos and Ioakeimidis, Ioannis and Lekka, Irini and Dudnik, Gabriela and Mars, Monica and Maglaveras, Nikos and Bergh, Cecilia and Delopoulos, Anastasios},
     booktitle = {{MOBIHEALTH 2014}},
     address = {ATHENES, Greece},
     year = {2014},
   }

4. C

   Building robust concept detectors from clickthrough data: A study in the MSR-Bing dataset

   Ioannis Sarafis, Christos Diou, and Anastasios Delopoulos

   In 9th International Conference on Semantic Media Adaptation and Personalisation (SMAP2014), Jul 2014

   Bib

   @inproceedings{SarafisSMAP2014,
     title = {Building robust concept detectors from clickthrough data: A study in the MSR-Bing dataset},
     author = {Sarafis, Ioannis and Diou, Christos and Delopoulos, Anastasios},
     year = {2014},
     date = {2014-11},
     booktitle = {9th International Conference on Semantic Media Adaptation and Personalisation (SMAP2014)},
     address = {Corfu, Greece},
   }

5. C

   Weighted SVM from Clickthrough Data for Image Retrieval

   Ioannis Sarafis, Christos Diou, Theodora Tsikrika, and Anastasios Delopoulos

   In IEEE International Conference on Image Processing (ICIP 2014), Jul 2014

   Bib

   @inproceedings{SarafisICIP2014,
     title = {Weighted SVM from Clickthrough Data for Image Retrieval},
     author = {Sarafis, Ioannis and Diou, Christos and Tsikrika, Theodora and Delopoulos, Anastasios},
     year = {2014},
     date = {2014-10},
     booktitle = {IEEE International Conference on Image Processing (ICIP 2014)},
     address = {Paris, France},
   }

6. C

   Multi-evidence User Group Discovery in Professional Image Search

   Theodora Tsikrika, and Christos Diou

   In 36th European Conference on Information Retrieval (ECIR 2014), Jul 2014

   Bib

   @inproceedings{theodoraECIR14,
     title = {Multi-evidence User Group Discovery in Professional Image Search},
     author = {Tsikrika, Theodora and Diou, Christos},
     year = {2014},
     date = {2014-04},
     booktitle = {36th European Conference on Information Retrieval (ECIR 2014)},
     address = {Amsterdam, The Netherlands},
   }

2013

1. J

   Applying semantic technologies in cervical cancer research

   Christos Maramis, Manolis Falelakis, Irini Lekka, Christos Diou, Pericles A. Mitkas, and 1 more author

   Data Knowl. Eng., Jul 2013

   Bib

   @article{MaramisDKE2013,
     title = {Applying semantic technologies in cervical cancer research},
     author = {Maramis, Christos and Falelakis, Manolis and Lekka, Irini and Diou, Christos and Mitkas, Pericles A. and Delopoulos, Anastasios},
     year = {2013},
     journal = {Data Knowl. Eng.},
     volume = {86},
     pages = {160-178},
   }

2. C

   Agent-based small-scale energy consumer models for energy portfolio management (best student paper award)

   Antonios Chrysopoulos, Christos Diou, Andreas Symeonidis, and Pericles Mitkas

   In Proceedings of the 2013 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT 2013), Jul 2013

   Bib

   @inproceedings{ChrysopoulosIAT2013,
     title = {Agent-based small-scale energy consumer models for energy portfolio management (best student paper award)},
     author = {Chrysopoulos, Antonios and Diou, Christos and Symeonidis, Andreas and Mitkas, Pericles},
     year = {2013},
     booktitle = {Proceedings of the 2013 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT 2013)},
     address = {Atlanta, GA, USA},
   }

2012

1. C

   A framework for the implementation of large scale Demand Response

   Georgios T. Andreou, Andreas L. Symeonidis, Christos Diou, Pericles A. Mitkas, and Dimitrios P. Labridis

   In Smart Grid Technology, Economics and Policies (SG-TEP), 2012 International Conference on, Jul 2012

   Bib

   @inproceedings{andreouSGTEP2012,
     title = {A framework for the implementation of large scale Demand Response},
     author = {Andreou, Georgios T. and Symeonidis, Andreas L. and Diou, Christos and Mitkas, Pericles A. and Labridis, Dimitrios P.},
     year = {2012},
     booktitle = {Smart Grid Technology, Economics and Policies (SG-TEP), 2012 International Conference on},
     address = {Nuremberg, Germany},
   }

2011

1. J

   Reliability and effectiveness of clickthrough data for automatic image annotation

   Theodora Tsikrika, Christos Diou, Arjen P. Vries, and Anastasios Delopoulos

   Multimedia Tools and Applications, Jul 2011

   Bib

   @article{TsikrikaMTAP2011,
     author = {Tsikrika, Theodora and Diou, Christos and de Vries, Arjen P. and Delopoulos, Anastasios},
     title = {Reliability and effectiveness of clickthrough data for automatic image annotation},
     journal = {Multimedia Tools and Applications},
     volume = {55},
     number = {1},
     pages = {27-52},
     year = {2011},
   }

2010

1. Semantic Analysis of Multimedia Data with Machine Learning (in Greek)

   Christos Diou

   Nov 2010
2. J

   Large-Scale Concept Detection in Multimedia Data Using Small Training Sets and Cross-Domain Concept Fusion

   Christos Diou, George Stephanopoulos, Panagiotis Panagiotopoulos, Christos Papachristou, Nikos Dimitriou, and 1 more author

   IEEE Transactions on Circuits and Systems for Video Technology, Nov 2010

   Bib

   @article{DiouTCSVT2010,
     author = {Diou, Christos and Stephanopoulos, George and Panagiotopoulos, Panagiotis and Papachristou, Christos and Dimitriou, Nikos and Delopoulos, Anastasios},
     title = {Large-Scale Concept Detection in Multimedia Data Using Small Training Sets and Cross-Domain Concept Fusion},
     journal = {IEEE Transactions on Circuits and Systems for Video Technology},
     volume = {20},
     number = {12},
     pages = {1808-1821},
     year = {2010},
   }

3. C

   The Multimedia Understanding Group at TRECVID-2010

   Christos Diou, George Stephanopoulos, and Anastasios Delopoulos

   In Proceedings of the TRECVID 2010 Workshop, Nov 2010

   Bib

   @inproceedings{Diou_tv2010,
     author = {Diou, Christos and Stephanopoulos, George and Delopoulos, Anastasios},
     title = {{The Multimedia Understanding Group at TRECVID-2010}},
     booktitle = {Proceedings of the TRECVID 2010 Workshop},
     year = {2010},
   }

2009

1. C

   VITALAS at TRECVID-2009

   Christos Diou, George Stephanopoulos, Nikos Dimitriou, Panos Panagiotopoulos, Christos Papachristou, and 5 more authors

   In Proceedings of the TRECVID 2009 Workshop, Nov 2009

   Bib

   @inproceedings{Diou_tv2009,
     author = {Diou, Christos and Stephanopoulos, George and Dimitriou, Nikos and Panagiotopoulos, Panos and Papachristou, Christos and Delopoulos, Anastasios and Rode, Henning and Tsikrika, Theodora and de Vries, Arjen P. and et. al},
     title = {{VITALAS at TRECVID-2009}},
     booktitle = {Proceedings of the TRECVID 2009 Workshop},
     year = {2009},
   }

2. C

   Are clickthrough data reliable as image annotations?

   Theodora Tsikrika, Christos Diou, Arjen P. Vries, and Anastasios Delopoulos

   In In Proceedings of the Theseus/ImageCLEF workshop on visual information retrieval evaluation, Nov 2009

   Bib

   @inproceedings{ImageCLEF:Tsikrika2009,
     author = {Tsikrika, Theodora and Diou, Christos and de Vries, Arjen P. and Delopoulos, Anastasios},
     title = {Are clickthrough data reliable as image annotations?},
     booktitle = {In Proceedings of the Theseus/ImageCLEF workshop on visual information retrieval evaluation},
     year = {2009},
     address = {Corfu, Greece},
   }

3. C

   Image annotation using clickthrough data

   Theodora Tsikrika, Christos Diou, Arjen P. Vries, and Anastasios Delopoulos

   In 8th ACM International Conference on Image and Video Retrieval, CIVR, Nov 2009

   Bib

   @inproceedings{CIVR:Tsikrika2009,
     author = {Tsikrika, Theodora and Diou, Christos and de Vries, Arjen P. and Delopoulos, Anastasios},
     booktitle = {8th ACM International Conference on Image and Video Retrieval, CIVR},
     title = {Image annotation using clickthrough data},
     year = {2009},
   }

2008

1. C

   Indexing and Browsing of Color Images: Design Considerations

   Christos Diou, Nikolaos Batalas, and Anastasios Delopoulos

   In Advances in Semantic Media Adaptation and Personalization, Nov 2008

   Bib

   @incollection{DiouBatalas2008,
     author = {Diou, Christos and Batalas, Nikolaos and Delopoulos, Anastasios},
     title = {Indexing and Browsing of Color Images: Design Considerations},
     booktitle = {Advances in Semantic Media Adaptation and Personalization},
     pages = {329-346},
     publisher = {Springer},
     year = {2008},
     volume = {93},
     series = {Studies in Computational Intelligence},
   }

2. C

   VITALAS at TRECVID-2008

   Christos Diou, Christos Papachristou, Panagiotis Panagiotopoulos, Gegorgios Stephanopoulos, Nikolaos Dimitriou, and 5 more authors

   In Proceedings of the TRECVID 2008 Workshop, Nov 2008

   Bib

   @inproceedings{Diou_tv2008,
     author = {Diou, Christos and Papachristou, Christos and Panagiotopoulos, Panagiotis and Stephanopoulos, Gegorgios and Dimitriou, Nikolaos and Delopoulos, Anastasios and Rode, Henning and Aly, Robin and de Vries, Arjen P. and Tsikrika, Theodora},
     title = {{VITALAS at TRECVID-2008}},
     booktitle = {Proceedings of the TRECVID 2008 Workshop},
     year = {2008},
   }

3. C

   Association studies on cervical cancer facilitated by inference and semantic technologies: The ASSIST approach

   P. Mitkas, V. Koutkias, A. Symeonidis, M. Falelakis, C. Diou, and 4 more authors

   In Proceedings of the International Congress of the European Federation for Medical Informatics (MIE08), Göteborg, Sweden, Nov 2008

   Bib

   @inproceedings{MitkasMIE2008,
     author = {Mitkas, P. and Koutkias, V. and Symeonidis, A. and Falelakis, M. and Diou, C. and Lekka, I. and Delopoulos, A. and Agorastos, T. and Maglaveras, N.},
     title = {{Association studies on cervical cancer facilitated by inference and semantic technologies: The ASSIST approach}},
     booktitle = {Proceedings of the International Congress of the European Federation for Medical Informatics (MIE08), G{\"o}teborg, Sweden},
     year = {2008},
     address = {G\"{o}teborg, Sweden},
   }

2006

1. J

   Complexity control in semantic identification

   Manolis Falelakis, Christos Diou, and Anastasios Delopoulos

   International Journal of Intelligent Systems Technologies and Applications, Nov 2006

   Bib

   @article{FalelakisIJISTA2006,
     author = {Falelakis, Manolis and Diou, Christos and Delopoulos, Anastasios},
     title = {Complexity control in semantic identification},
     journal = {International Journal of Intelligent Systems Technologies and Applications},
     volume = {1},
     number = {3/4},
     year = {2006},
     pages = {247-262},
   }

2. J

   Semantic Identification: Balancing between Complexity and Validity

   Manolis Falelakis, Christos Diou, and Anastasios Delopoulos

   EURASIP Journal on Advances in Signal Processing, Nov 2006

   Bib

   @article{FalelakisJASP2006,
     author = {Falelakis, Manolis and Diou, Christos and Delopoulos, Anastasios},
     journal = {EURASIP Journal on Advances in Signal Processing},
     title = {Semantic Identification: Balancing between Complexity and Validity},
     volume = {2006},
     year = {2006},
   }

3. C

   Efficient indexing, color descriptors and browsing in image databases

   Nikos Batalas, Christos Diou, and Anastasios Delopoulos

   In Proceedings of the 1st International Workshop on Semantic Media Adaptation and Personalization (SMAP06), Nov 2006

   Bib

   @inproceedings{BatalasSMAP2006,
     author = {Batalas, Nikos and Diou, Christos and Delopoulos, Anastasios},
     title = {Efficient indexing, color descriptors and browsing in image databases},
     booktitle = {Proceedings of the 1st International Workshop on Semantic Media Adaptation and Personalization (SMAP06)},
     year = {2006},
     address = {Athens, Greece},
   }

4. C

   Constructing fuzzy relations from WordNet for word sense disambiguation

   Christos Diou, Giorgos Katsikatsos, and Anastasios Delopoulos

   In Proceedings of the 1st International Workshop on Semantic Media Adaptation and Personalization (SMAP06), Nov 2006

   Bib

   @inproceedings{DiouSMAP2006,
     author = {Diou, Christos and Katsikatsos, Giorgos and Delopoulos, Anastasios},
     title = {Constructing fuzzy relations from {WordNet} for word sense disambiguation},
     booktitle = {Proceedings of the 1st International Workshop on Semantic Media Adaptation and Personalization (SMAP06)},
     year = {2006},
     address = {Athens, Greece},
   }

5. C

   Space-time tubes and motion representation

   Christos Diou, Anastasia Manta, and Anastasios Delopoulos

   In Proceedings of the 3rd IFIP Conference on Artificial Intelligence Applications and Innovations (AIAI), Nov 2006

   Bib

   @inproceedings{DiouIFIP2006,
     author = {Diou, Christos and Manta, Anastasia and Delopoulos, Anastasios},
     title = {Space-time tubes and motion representation},
     booktitle = {Proceedings of the 3rd IFIP Conference on Artificial Intelligence Applications and Innovations (AIAI)},
     year = {2006},
     address = {Athens, Greece},
   }

2005

1. C

   Minimizing uncertainty in semantic identification when computing resources are limited

   Manolis Falelakis, Christos Diou, Manolis Wallace, and Anastasios Delopoulos

   In Proceedings of the 2005 International Conference on Artificial Neural Networks (ICANN05), Nov 2005

   Bib

   @inproceedings{FalelakisICANN2005,
     author = {Falelakis, Manolis and Diou, Christos and Wallace, Manolis and Delopoulos, Anastasios},
     title = {Minimizing uncertainty in semantic identification when computing resources are limited},
     booktitle = {Proceedings of the 2005 International Conference on Artificial Neural Networks (ICANN05)},
     year = {2005},
     address = {Warsaw, Poland},
   }

2. C

   Knowledge based unification of medical archives

   Christos Diou, Manolis Falelakis, and Anastasios Delopoulos

   In Proceedings of the 2005 International Networking Conference (INC2005), Nov 2005

   Bib

   @inproceedings{DiouINC2005,
     author = {Diou, Christos and Falelakis, Manolis and Delopoulos, Anastasios},
     title = { Knowledge based unification of medical archives},
     booktitle = {Proceedings of the 2005 International Networking Conference (INC2005)},
     year = {2005},
     address = {Samos, Greece},
   }

3. C

   Complexity Control in Semantic Identification

   Manolis Falelakis, Christos Diou, Anastasios Valsamidis, and Anastasios Delopoulos

   In IEEE International Conference on Fuzzy Systems, Reno, Nevada, USA, Nov 2005

   Bib

   @inproceedings{Falelakis05:complexity,
     author = {Falelakis, Manolis and Diou, Christos and Valsamidis, Anastasios and Delopoulos, Anastasios},
     title = {Complexity Control in Semantic Identification},
     booktitle = {IEEE International Conference on Fuzzy Systems, Reno, Nevada, USA},
     year = {2005},
   }

4. C

   Dynamic Semantic Identification with Complexity Constraints as a Knapsack Problem

   Manolis Falelakis, Christos Diou, Anastasios Valsamidis, and Anastasios Delopoulos

   In IEEE International Conference on Fuzzy Systems, Reno, Nevada, USA, Nov 2005

   Bib

   @inproceedings{Falelakis05:dynamic,
     author = {Falelakis, Manolis and Diou, Christos and Valsamidis, Anastasios and Delopoulos, Anastasios},
     title = {Dynamic Semantic Identification with Complexity Constraints as a Knapsack Problem},
     booktitle = {IEEE International Conference on Fuzzy Systems, Reno, Nevada, USA},
     year = {2005},
   }

2004

1. C

   Identification Of Semantics: Balancing between Complexity and Validity

   Manolis Falelakis, Christos Diou, and Anastasios Delopoulos

   Nov 2004

   Bib

   @conference{Falelakis2004,
     author = {Falelakis, Manolis and Diou, Christos and Delopoulos, Anastasios},
     title = {Identification Of Semantics: Balancing between Complexity and
     Validity},
     booktitle = {IEEE workshop in Multimedia Signal
     Processing (MMSP), Siena, Italy},
     year = {2004},
   }