Publications
Sacharidis, D., Mukamakuza, C., Werthner, H. (2020) Fairness and Diversity in Social-Based Recommender Systems, Association for Computing Machinery, New York, NY, USA, UMAP '20: Proceedings of the 28th ACM Conference on User Modeling, Adaptation and Personalization.
Pourabbas, E., Sacharidis, D., Stockinger, K., Vergoulis, T. (2020) Scientific and Statistical Database Management 32th International Conference, SSDBM 2020 Vienna, Austria, July 7 - 9, 2020, Proceedings, Association for Computing Machinery, .
Sacharidis, D. (2020) Building User Trust in Recommendations via Fairness and Explanations, Association for Computing Machinery, New York, NY, USA, UMAP '20 Adjunct: Adjunct Publication of the 28th ACM Conference on User Modeling, Adaptation and Personalization.
Defiebre, D., Sacharidis, D., Germanakos, P. (2020) A Decentralized Recommendation Engine in the Social Internet of Things, Association for Computing Machinery, New York, NY, USA, UMAP '20 Adjunct: Adjunct Publication of the 28th ACM Conference on User Modeling, Adaptation and Personalization.
Ion, M., Sacharidis, D., Werthner, H. (2020) Designing a recommender system for board games, SAC '20: Proceedings of the 35th Annual ACM Symposium on Applied Computing, March 2020.
Luef, J., Ohrfandl, C., Sacharidis, D., Werthner, H. (2020) A Recommender System for Investing in Early-Stage Enterprises, SAC '20: Proceedings of the 35th Annual ACM Symposium on Applied Computing, March 2020.
Sacharidis, D., Mouratidis, K., Kleftogiannis, D. (2019) A Common Approach for Consumer and Provider Fairness, ACM RecSys 2019 Late-breaking Results.
Mukamakuza, C., Sacharidis, D., Werthner, H. (2019) The Impact of Social Connections in Personalization, UMAP'19 Adjunct: Adjunct Publication of the 27th Conference on User Modeling, Adaptation and Personalization.
Weydemann, L., Sacharidis, D., Werthner, H. (2019) Defining and Measuring Fairness in Location Recommendations, LocalRec '19: Proceedings of the 3rd ACM SIGSPATIAL International Workshop on Location-based Recommendations, Geosocial Networks and Geoadvertising.
Kanellos, I., Vergoulis, T., Sacharidis, D., Dalamagas, T. (2019) Impact-Based Ranking of Scientific Publications: A Survey and Experimental Evaluation, IEEE Transactions on Knowledge and Data Engineering, 8-14.
Mukamakuza, C., Sacharidis, D., Werthner, H. (2019) The Role of Activity and Similarity in Rating and Social Behavior in Social Recommender Systems., International Journal on Artificial Intelligence Tools, 28-6-1960004.
Sacharidis, D. (2019) Diversity and Novelty in Social-Based Collaborative Filtering, UMAP '19: Proceedings of the 27th ACM Conference on User Modeling, Adaptation and Personalization.
Sacharidis, D. (2019) Modeling Uncertainty in Group Recommendations, UMAP'19 Adjunct: Adjunct Publication of the 27th Conference on User Modeling, Adaptation and Personalization.
Sacharidis, D. (2019) Top-N group recommendations with fairness, SAC '19: Proceedings of the 34th ACM/SIGAPP Symposium on Applied Computing.
Sacharidis, D., Mehta, P., Skoutas, D., Patroumpas, K. (2018) Selecting Representative and Diverse Spatio-Textual Posts over Sliding Windows, SSDBM '18 Proceedings of the 30th International Conference on Scientific and Statistical Database Management.
Skoutas, D., Sacharidis, D., Patroumpas, K. (2018) Efficient Progressive and Diversified Top-k Best Region Search, SIGSPATIAL '18 Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems.
Benouaret, K., Sacharidis, D., Benslimane, D., Hadjali, A. (2018) Selecting Services for Multiple Users: Let's Be Democratic, IEEE Transactions on Services Computing, early access-.
Mukamakuza, C., Sacharidis, D., Werthner, H. (2018) Mining User Behavior in Social Recommender System, ACM, WIMS '18 Proceedings of the 8th International Conference on Web Intelligence, Mining and Semantics.
Mehta, P., Kotlarski, M., Skoutas, D., Sacharidis, D. (2017) μTOP: Spatio-Temporal Detection and Summarization of Locally Trending Topics in Microblog Posts, International Conference on Extending Database Technology (EDBT '17), March 21-24, 2017, 
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Mehta, P., Sacharidis, D., Skoutas, D., Voisard, A. (2017) Finding Socio-Textual Associations Among Locations, International Conference on Extending Database Technology (EDBT '17), March 21-24, 2017, .
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Sacharidis, D. (2017) Observing User Behavior in Group Recommender Systems, IC2S2 2017 - The 3rd Annual International Conference on Computational Social Science, Cologne, Germany.
Qi, S., Sacharidis, D., Bouros, P., Mamoulis, N. (2017) Snapshot and Continuous Points-based Trajectory Search, GeoInformatica, 21-4.
Sacharidis, D. (2017) Group Recommendations by Learning Rating Behavior, ACM, International Conference on User Modelling, Adaptation and Personalization (UMAP '17), July 9-12, 2017.
Gu, Q., Sacharidis, D., Mathioudakis, M., Wang, G. (2017) Inferring Venue Visits from GPS Trajectories, ACM, Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems.
Sacharidis, D., Bouros, P., Chondrogiannis, T. (2017) Finding The Most Preferred Path, ACM, ACM SIGSPATIAL'17 - 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems.
Sacharidis, D., Mehta, P., Skoutas, D., Patroumpas, K. (2017) Continuous Summarization of Streaming Spatio-Textual Posts, ACM, Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems.