Dimitrios Sacharidis

Univ.Ass. / PhD

Research Focus

Research Areas

  • Data Management, Algorithms and Data Structures, Big Data, Data Mining, data analysis, network analysis, data streams, E-Commerce, Data Bases, Machine Learning
Dimitrios Sacharidis

About

Dimitris Sacharidis is an Assistant Professor at the Institute of Software Technology and Interactive Systems of Technische Universität Wien, Austria. From 2009-2015, he was a junior researcher at "Athena" Research Center, Greece, and from 2009-2012 a Marie Curie postdoctoral fellow seconded at Hong Kong University of Science and Technology. He holds a PhD and Diploma in Computer Engineering from National Technical University of Athens, Greece, and an MSc in Computer Science from University of Southern California, USA. He is on the Editorial Board of the Distributed and Parallel Databases Journal, and has served as PC member at the top data management conferences, including ACM SIGMOD, VLDB, ACM CIKM. His research interests include complex data management and analytics, with applications for smart cities and recommender systems.

Role

2019W

2020S

 

2019

2018

2017

  • Observing User Behavior in Group Recommender Systems / D. Sacharidis / Talk: IC2S2 2017 - The 3rd Annual International Conference on Computational Social Science, Cologne, Germany; 2017-07-10 - 2017-07-13
  • Snapshot and Continuous Points-based Trajectory Search / S. Qi, D. Sacharidis, P. Bouros, N. Mamoulis / GeoInformatica, 21 (2017), 4; 669 - 701
  • μTOP: Spatio-Temporal Detection and Summarization of Locally Trending Topics in Microblog Posts / P. Mehta, M. Kotlarski, D. Skoutas, D. Sacharidis, K. Patroumpas, A. Voisard / Poster: International Conference on Extending Database Technology (EDBT '17), Venice, Italy; 2017-03-21 - 2017-03-24; in: "International Conference on Extending Database Technology (EDBT '17), March 21-24, 2017", (2017), ISSN: 2367-2005; 4 pages
  • Inferring Venue Visits from GPS Trajectories / Q. Gu, D. Sacharidis, M. Mathioudakis, G. Wang, D. Skoutas / Poster: SIGSPATIAL'17 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, Redondo Beach, California, USA; 2017-11-07 - 2017-11-10; in: "Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems", ACM, New York (2017), ISBN: 978-1-4503-5490-5; 1 - 4
  • Continuous Summarization of Streaming Spatio-Textual Posts / D. Sacharidis, P. Mehta, D. Skoutas, K. Patroumpas, A. Voisard / Poster: SIGSPATIAL'17 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, Redondo Beach, California, USA; 2017-11-07 - 2017-11-10; in: "Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems", ACM, New York (2017), ISBN: 978-1-4503-5490-5; 1 - 4
  • Finding The Most Preferred Path / D. Sacharidis, P. Bouros, T. Chondrogiannis / Talk: SIGSPATIAL'17 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, Redondo Beach, California, USA; 2017-11-07 - 2017-11-10; in: "ACM SIGSPATIAL'17 - 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems", ACM, New York (2017), ISBN: 978-1-4503-5490-5; 1 - 10
  • Group Recommendations by Learning Rating Behavior / D. Sacharidis / Talk: UMAP'17 - 25th Conference on User Modeling, Adaptation and Personalization, Bratislava, Slovakia; 2017-07-09 - 2017-07-12; in: "International Conference on User Modelling, Adaptation and Personalization (UMAP '17), July 9-12, 2017", ACM, New York (2017), ISBN: 978-1-4503-4635-1; 174 - 182
  • Finding Socio-Textual Associations Among Locations / P. Mehta, D. Sacharidis, D. Skoutas, A. Voisard / Talk: International Conference on Extending Database Technology (EDBT '17), Venice, Italy; 2017-03-21 - 2017-03-24; in: "International Conference on Extending Database Technology (EDBT '17), March 21-24, 2017", V. Markl, S. Orlando et al. (ed.); (2017), ISBN: 978-3-89318-073-8; 120 - 131

2016

  • Finding Desirable Objects under Group Categorical Preferences / N. Bikakis, K. Benouaret, D. Sacharidis / Knowledge And Information Systems, 49 (2016), 1; 273 - 313
  • Coverage and Diversity Aware Top-k Query for Spatio-Temporal Posts / P. Mehta, D. Skoutas, D. Sacharidis, A. Voisard / Poster: GIS'16 - 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, Burlingame, California, USA; 2016-10-31 - 2016-11-03; in: "GIS'16 Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems", (2016), ISBN: 978-1-4503-4589-7; 1 - 10
  • Keyword-Based Retrieval of Frequent Location Sets in Geotagged Photo Trails / P. Mehta, D. Sacharidis, D. Skoutas, A. Voisard / Talk: WebSci'16 - 8th ACM Conference on Web Science, Hannover, Germany; 2016-05-22 - 2016-05-25; in: "WebSci'16 Proceedings of the 8th ACM Conference on Web Science", (2016), ISBN: 978-1-4503-4208-7; 348 - 349
  • Identifying and Describing Streets of Interest / D. Skoutas, D. Sacharidis, K. Stamatoukos / Talk: EDBT 2016 - 19th International Conference on Extending Database Technology, Bordeaux, France; 2016-03-15 - 2016-03-18; in: "Proceedings of the 19th International Conference on Extending Database Technology (EDBT)", Open Proceedings, (2016), ISSN: 2367-2005; 437 - 448
  • High Performance Parallel Summed-Area Table Kernels for Multi-core and Many-core Systems / A. Papatriantafyllou, D. Sacharidis / Talk: 22nd International European Conference on Parallel and Distributed Computing (Euro-Par 2016), Grenoble, France; 2016-08-22 - 2016-08-26; in: "Euro-Par 2016: Parallel Processing, 22nd International Conference on Parallel and Distributed Computing, Proceedings", P. Dutot, D. Trystram (ed.); Springer International Publishing, LNCS 9833 (2016), ISBN: 978-3-319-43658-6; 306 - 318

2015

  • Proceedings of the 8th ACM SIGSPATIAL International Workshop on Location-Based Social Networks / A. Pozdnoukhov, D. Sacharidis, S. Xu / in: "Proceedings of the ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL '15)", ACM, 2015
  • LocalRec'15: Workshop on Location-Aware Recommendations / P. Bouros, N. Lathia, M. Renz, D. Sacharidis / in: "Proceedings of the 9th ACM Conference on Recommender Systems (RecSys15)", ACM, 2015
  • Learning the Role and Behavior of Users in Group Decision Making / D. Sacharidis, A. Delic, J. Neidhardt / in: "Proceedings of the 2nd International Workshop on Decision Making and Recommender Systems", Volume 1533; G. Mouzhi, F. Ricci (ed.); issued by: Free University of Bozen-Bolzano; CEUR-WS.org, 2015, 25 - 28
  • Spatial Cohesion Queries / D. Sacharidis, A. Deligiannakis / Talk: 23rd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2015), Seattle, Washington, USA; 2015-11-03 - 2015-11-06; in: "23rd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2015)", (2015), 1 - 10
  • Efficient Point-Based Trajectory Search / S. Qi, B. Panagiotis, D. Sacharidis, N. Mamoulis / Talk: International Symposium on Spatial and Temporal Databases (SSTD '15), Hong Kong; 2015-08-26 - 2015-08-28; in: "Advances in Spatial and Temporal Databases. 14th International Symposium, SSTD 2015, Hong Kong, China, August 26-28, 2015. Proceedings.", Springer, 9239 (2015), ISBN: 978-3-319-22362-9; 179 - 196