Updated on April 2019

Publications

Chapters in books

  1. G. Poulis, A. Gkoulalas-Divanis, G. Loukides, S. Skiadopoulos, and C. Tryfonopoulos. SECRETA: A Tool for Anonymizing Relational, Transaction and RT-datasets. Medical Data Privacy Handbook, A. Gkoulalas-Divanis and G. Loukides (eds.), pages 81--109. Springer, 2015. download
  2. S. Skiadopoulos. Directional Relations. Encyclopedia of GIS, S. Shekhar and H. Xiong (eds.). Springer, 2014.
  3. S. Skiadopoulos. Cardinal Direction Relationships. Encyclopedia of Database Systems, L. Liu. M. Tamer Ozsu (eds.). Springer, 2009. download
  4. A. Maniatis, P. Vassiliadis, S. Skiadopoulos, G. Mavrogonatos, and I. Michalarias. A Presentation Model and Non-Traditional Visualization for OLAP. Data Warehousing and Mining: Concepts, Methodologies, Tools, and Applications, J. Wang (eds.). Idea Group, 2008. download
  5. A. Simitsis, P. Vassiliadis, S. Skiadopoulos, and T. Sellis. Data Warehouse Refreshment. Data Warehouses and OLAP: Concepts, Architectures and Solutions, R. Wrembel and C. Koncilia (eds.). Idea Group, 2006. download
  6. S. Grumbach, M. Koubarakis, M. Scholl, and S. Skiadopoulos. Spatiotemporal Models and Languages: An Approach Based on Constraints. Spatiotemporal Databases: The CHOROCHRONOS Approach, M. Koubarakis, T. Sellis, A. Frank, S. Grumbach, R.-H. Gueting, C. Jensen, N. Lorentzos, Y. Manolopoulos, E. Nardelli, B. Pernici, B. Theodoulidis, N. Tryfona, H.-J. Schek and M. Scholl (eds.), volume 2520 of LNCS. Springer, 2003. download

Refereed scientific journal papers

  1. G. Chatzigeorgakidis, K. Patroumpas, D. Skoutas, S. Athanasiou, and S. Skiadopoulos. Visual Exploration of Geolocated Time Series with Hybrid Indexing. Big Data Research, 12-28(15):2214--5796, 2019. download
  2. A. Allam, S. Skiadopoulos, and P. Kalnis. Improved Suffix Blocking for Record Linkage and Entity Resolution. Data and Knowledge Engineering, 117:98--113, 2018. download
  3. G. Chatzigeorgakidis, S. Karagiorgou, S. Athanasiou, and S. Skiadopoulos. FML-kNN: scalable machine learning on Big Data using k-nearest neighbor joins. Journal of Big Data, 5, 2018. download
  4. F. Jamour, S. Skiadopoulos, and P. Kalnis. Parallel Algorithm for Incremental Betweenness Centrality on Large Graphs. Transactions on Parallel and Distributed Systems, 29(3):659--672, 2018. download
  5. K. Zagganas, T. Vergoulis, M. Paraskevopoulou, I.S. Vlachos, S. Skiadopoulos, and T. Dalamagas. BUFET: boosting the unbiased miRNA functional enrichment analysis using bitsets. BMC Bioinformatics, 18(1):399:1--399:8, 2017. download
  6. M. Terrovitis, G. Poulis, N. Mamoulis, and S. Skiadopoulos. Local Suppression and Splitting Techniques for Privacy Preserving Publication of Trajectories. IEEE Transaction on Knowledge and Data Engineering, 29(7):1466--1479, 2017. download
  7. G. Poulis, G. Loukides, S. Skiadopoulos, and A. Gkoulalas-Divanis. Anonymizing Datasets with Demographics and Diagnosis Codes in the Presence of Utility Constraints. Journal of Biomedical Informatics, 65(76--96):76--96, 2017. download
  8. L. Zervakis, C. Tryfonopoulos, M. Koubarakis, and S. Skiadopoulos. Query Reorganisation Algorithms for Efficient Boolean Information Filtering. IEEE Transaction on Knowledge and Data Engineering, 29(2):418--432, 2017. download
  9. G. Poulis, S. Skiadopoulos, G. Loukides, and A. Gkoulalas-Divanis. Apriori-based Algorithms for $k^m$-anonymizing Trajectory Data. Transactions on Data Privacy, 7(2):165--194, 2014. download
  10. M. Elseidy, E. Abdelhamid, S. Skiadopoulos, and P. Kalnis. GraMi: Frequent Subgraph and Pattern Mining in a Single Large Graph. PVLDB, 7(7):517--528, 2014. download
  11. M. Terrovitis, J. Liagouris, N. Mamoulis, and S. Skiadopoulos. Privacy Preservation by Disassociation. PVLDB, 5(10):944--955, 2012. download
  12. P. Bouros, D. Sacharidis, T. Dalamagas, S. Skiadopoulos, and T. Sellis. Evaluating Path Queries over Frequently Updated Route Collections. IEEE Transaction on Knowledge and Data Engineering, 24(7):1276--1290, 2012. download
  13. E. Mansour, A. Allam, S. Skiadopoulos, and P. Kalnis. ERa Efficient Serial and Parallel Suffix Tree Construction for Very Long Strings. PVLDB, 5(1):49--60, 2011. download
  14. E. Clementini, S. Skiadopoulos, R. Billen, and F. Tarquini. A Reasoning System of Ternary Projective Relations. IEEE Transaction on Knowledge and Data Engineering, 22(2):161--178, 2010. download
  15. B. Kantere, S. Skiadopoulos, and T. Sellis. Storing and Indexing Spatial Data in P2P Systems. IEEE Transaction on Knowledge and Data Engineering, 21(2):287--300, 2009. download
  16. A. Polyzotis, S. Skiadopoulos, P. Vassiliadis, A. Simitsis, and N.-E. Frantzell. Meshing Streaming Updates with Persistent Data in an Active Data Warehouse. IEEE Transaction on Knowledge and Data Engineering, 20(7):976--991, 2008. download
  17. S. Skiadopoulos, N. Sarkas, T. Sellis, and M. Koubarakis. A Family of Directional Relation Models for Extended Objects. IEEE Transaction on Knowledge and Data Engineering, 19(8):1116--1130, 2007. download
  18. M. Terrovitis, P. Vassiliadis, S. Skiadopoulos, E. Bertino, B. Catania, A. Maddalena, and S. Rizzi. Modelling and Language Support for the Management of Pattern-Bases. Data and Knowledge Engineering, 62(2):368--397, 2007. download
  19. M. Koubarakis, S. Skiadopoulos, and C. Tryfonopoulos. Logic and Computational Complexity for Boolean Information Retrieval. IEEE Transaction on Knowledge and Data Engineering, 18(12):1659--1666, 2006. download
  20. S. Skiadopoulos, C. Giannoukos, N. Sarkas, P. Vassiliadis, T. Sellis, and M. Koubarakis. Computing and Managing Cardinal Direction Relations. IEEE Transaction on Knowledge and Data Engineering, 17(12):1610--1623, 2005. download
  21. S. Skiadopoulos and M. Koubarakis. On the Consistency of Cardinal Directions Constraints. Artificial Intelligence, 163(1):91--135, 2005. download
  22. P. Vassiliadis, A. Simitsis, P. Georgantas, M. Terrovitis, and S. Skiadopoulos. A Generic and Customizable Framework for the Design of ETL Scenarios. Information Systems, 30(7):492--525, 2005. download
  23. A. Maniatis, P. Vassiliadis, S. Skiadopoulos, G. Mavrogonatos, and I. Michalarias. A Presentation Model and Non-Traditional Visualization for OLAP. International Journal of Data Warehousing and Mining, 1(1):1--36, 2005. download
  24. S. Skiadopoulos and M. Koubarakis. Composing Cardinal Direction Relations. Artificial Intelligence, 152(2):143--171, 2004. download

    Please read this note. The transitivity table can be downloaded from here.

  25. P. Vassiliadis, Z. Vagena, S. Skiadopoulos, N. Karayannidis, and T. Sellis. Arktos: Towards the Modeling, Design, Control and Execution of ETL Processes. Information Systems, 26(8):537--561, 2001. download
  26. M. Koubarakis and S. Skiadopoulos. Querying Temporal and Spatial Constraint Networks in PTIME. Artificial Intelligence, 123(1-2):223--263, 2000. download

Refereed international conference and workshop papers

  1. V. Kaffes, A. Belesiotis, D. Skoutas, and S. Skiadopoulos. Finding shortest keyword covering routes in road networks. Proceedings of SSDBM'18, pages 12:1--12:12. ACM, 2018. download
  2. P Chronis, G. Giannopoulos, S. Athanasiou, and S. Skiadopoulos. Unsupervised Disaggregation of Low Granularity Resource Consumption Time Series. Proceedings of PAKDD'18, pages 558--570. Springer, 2018. download
  3. G. Chatzigeorgakidis, K. Patroumpas, D. Skoutas, S. Athanasiou, and S. Skiadopoulos. Scalable Hybrid Similarity Join over Geolocated Time Series. Proceedings of SIGSPATIAL'18, pages 119--128. ACM, 2018. download
  4. G. Chatzigeorgakidis, D. Skoutas, K. Patroumpas, S. Athanasiou, and S. Skiadopoulos. Map-Based Visual Exploration of Geolocated Time Series. Proceedings of the Workshops of the EDBT/ICDT'18, pages 92--99. CEUR, 2018. download
  5. G. Chatzigeorgakidis, D. Skoutas, K. Patroumpas, S. Athanasiou, and S. Skiadopoulos. Indexing Geolocated Time Series Data. Proceedings of ACMGIS'17, pages 19:1--19:10. ACM, 2017. download
  6. Z. AlGhamdi, F. Jamour, S. Skiadopoulos, and P. Kalnis. A Benchmark for Betweenness Centrality Approximation Algorithms on Large Graphs. Proceedings of SSDBM'17, pages 6:1--6:12. ACM, 2017. download
  7. L. Zervakis, C. Tryfonopoulos, V. Setty, S. Seufert, S. Skiadopoulos, and M. Koubarakis. Towards Publish/Subscribe Functionality on Graphs. Proceedings of the Workshops of the EDBT/ICDT'16, pages 6:1--6:12. ACM, 2016. download
  8. L. Zervakis, C. Tryfonopoulos, S. Skiadopoulos, and M. Koubarakis. Full-text Support for Publish/Subscribe Ontology Systems. Proceedings of ESWC'16, pages 233--249. Springer, 2016. download
  9. L. Zervakis, C. Tryfonopoulos, V. Setty, M. Koubarakis, and S. Skiadopoulos. Towards Publish/Subscribe Functionality on Graphs. Proceedings of the DIACHRON (an EDBT/ICDE workshop), 2016.
  10. G. Chatzigeorgakidis, S. Karagiorgou, S. Athanasiou, and S. Skiadopoulos. A MapReduce Based $k$-NN Joins Probabilistic Classifier. Proceedings of BigData'15, pages 952--957. IEEE, 2015. download
  11. A. Tsafara, C. Tryfonopoulos, S. Skiadopoulos, and L. Zervakis. Cloud-Based Data and Knowledge Management for Multi-Centre Biomedical Studies. Proceedings of K-CAP'15, pages 24:1--24:4. ACM, 2015. download
  12. G. Poulis, A. Gkoulalas-Divanis, G. Loukides, S. Skiadopoulos, and C. Tryfonopoulos. SECRETA: A System for Evaluating and Comparing RElational and Transaction Anonymization Algorithms. Proceedings of EDBT'14, pages 620--623. OpenProceedings.org, 2014. download
  13. A. Tsafara, C. Tryfonopoulos, and S. Skiadopoulos. CloudStudy: A Cloud-Based System for Supporting Multi-Centre Studies. Proceedings of BIBE'13, pages 1--4. IEEE, 2013. download
  14. G. Poulis, S. Skiadopoulos, G. Loukides, and A. Gkoulalas-Divanis. Select-Organize-Anonymize: A Framework for Trajectory Data Anonymization. Proceedings of the ICDM 2013 workshop PADM: IEEE International Workshop on Privacy Aspects of Data Mining, pages 867--874, 2013. download
  15. G. Poulis, G. Loukides, A. Gkoulalas-Divanis, and S. Skiadopoulos. Anonymizing Data with Relational and Transaction Attributes. Proceedings of ECML/PKDD'13, pages 353--369. Springer, 2013. download
  16. G. Poulis, S. Skiadopoulos, G. Loukides, and A. Gkoulalas-Divanis. Distance-based $k^m$-anonymization of Trajectory Data. Proceedings of the MDM 2015 workshop PriSMO: Privacy and Security for Moving Objects, pages 57--63, 2013. download
  17. L. Zervakis, C. Tryfonopoulos, A. Papadakis-Pesaresi, M. Koubarakis, and S. Skiadopoulos. Full-text Support for Publish/Subscribe Ontology Systems. Proceedings of ESWC'12 (poster session), 2012. download
  18. P. Bouros, S. Skiadopoulos, T. Dalamagas, D. Sacharidis, and T. Sellis. Evaluating Reachability Queries over Path Collections. Proceedings of SSDBM'09, volume 5566 of LNCS, pages 398--416. Springer, 2009. download
  19. P. Bouros, T. Dalamagas, S. Skiadopoulos, and T. Sellis. Evaluating `find a path' Reachability Queries. Proceedings of the ECAI workshop on Spatial and Temporal Reasoning, 2008. download
  20. G. Ghinita, P. Kalnis, and S. Skiadopoulos. MobiHide: A Mobile Peer-to-Peer System for Anonymous Location-Based Queries. Proceedings of SSTD'07, pages 221--238. Springer, 2007. download
  21. G. Ghinita, P. Kalnis, and S. Skiadopoulos. Prive: Anonymous Location-Based Queries in Distributed Mobile Systems. Proceedings of WWW'07, pages 476--485. ACM, 2007. download
  22. A. Polyzotis, S. Skiadopoulos, P. Vassiliadis, A. Simitsis, and N.-E. Frantzell. Supporting Streaming Updates in an Active Data Warehouse. Proceedings of ICDE'07, pages 476--485. IEEE, 2007. download
  23. P. Vassiliadis, A. Simitsis, M. Terrovitis, and S. Skiadopoulos. Blueprints for ETL workflows. Proceedings of ER'05, volume 3716 of LNCS, pages 385--400. Springer, 2005. download
  24. A. Simitsis, P. Vassiliadis, M. Terrovitis, and S. Skiadopoulos. Graph-Based Modeling of ETL Activities with Multi-Level Transformations and Updates. Proceedings of DaWaK'05, volume 2589 of LNCS, pages 43--52. Springer, 2005. download
  25. M. Terrovitis, P. Vassiliadis, S. Skiadopoulos, E. Bertino, B. Catania, and A. Maddalena. Modelling and Language Support for the Management of Pattern-Bases. Proceedings of SSDBM'04, pages 265--274. IEEE Computer Society, 2004.
  26. S. Skiadopoulos, C. Giannoukos, P. Vassiliadis, T. Sellis, and M. Koubarakis. Computing and Handling Cardinal Direction Information. Proceedings of EDBT'04, volume 2992 of LNCS, pages 329--347. Springer, 2004. download
  27. A. Maniatis, P. Vassiliadis, S. Skiadopoulos, and Y. Vassiliou. CPM: A Cube Presentation Model for OLAP. Proceedings of DaWaK'03, volume 2737 of LNCS, pages 4--13. Springer, 2003. download
  28. A. Maniatis, P. Vassiliadis, S. Skiadopoulos, and Y. Vassiliou. Advanced Visualization for OLAP. Proceedings of DOLAP'03, pages 9--16. ACM Press, November 2003. download
  29. S. Skiadopoulos and M. Koubarakis. Consistency Checking for Qualitative Spatial Reasoning with Cardinal Directions. Proceedings of CP'02, volume 2470 of LNCS, pages 341--355. Springer, September 2002. download
  30. P. Vassiliadis, A. Simitsis, and S. Skiadopoulos. On the Logical Modelling of ETL Processes. Proceedings of CAiSE'02, short paper, volume 2348 of LNCS, pages 782--786. Springer, May 2002. download
  31. P. Vassiliadis, A. Simitsis, and S. Skiadopoulos. Conceptual Modelling for ETL Processes. Proceedings of DOLAP'02, pages 14--21. ACM Press, July 2002. download
  32. P. Vassiliadis, A. Simitsis, and S. Skiadopoulos. Modelling ETL Activities as Graphs. Proceedings of DMDW'02, pages 52--61. CEUR Workshop Proceedings, May 2002. download
  33. S. Skiadopoulos and M. Koubarakis. Composing Cardinal Directions Relations. Proceedings of SSTD'01, volume 2121 of LNCS, pages 299--317. Springer, July 2001. download
  34. P. Vassiliadis and S. Skiadopoulos. Modelling and Optimization Issues for Multidimensional Databases. Proceedings of CAiSE'00, volume 1789 of LNCS, pages 482--497. Springer, June 2000. download
  35. M. Koubarakis and S. Skiadopoulos. Querying Temporal Constraint Networks in PTIME. Proceedings of AAAI'99, pages 745--750, July 1999.
  36. M. Koubarakis and S. Skiadopoulos. Tractable Query Answering in Indefinite Constraint Databases: Basic Results and Applications to Querying Spatio-Temporal Information. Proceedings of Int'l Workshop on Spatio-Temporal Database Management (STDBM'99), volume 1678 of LNCS, pages 204--223. Springer, September 1999. download
  37. M. Koubarakis and S. Skiadopoulos. Querying Indefinite Spatial and Temporal Information: The New Frontier. Proceedings of the IJCAI Workshop on Hot Topics in Spatial and Temporal Reasoning, August 1999.

Refereed national papers

  1. A. Polyzotis, S. Skiadopoulos, P. Vassiliadis, A. Simitsis, and N.-E. Frantzell. Supporting Streaming Updates in an Active Data Warehouse. Proceedings of the Hellenic Data Management Symposium (HDMS'07), June 2007.
  2. P. Vassiliadis, A. Simitsis, and S. Skiadopoulos. Modelling ETL Processes as Graphs. Proceedings of the Hellenic Data Management Symposium (HDMS'03), September 2003.
  3. P. Vassiliadis and S. Skiadopoulos. Modelling and Querying Multidimensional Databases. Proceedings of the Hellenic Data Management Symposium (HDMS'02), July 2002.
  4. S. Skiadopoulos and M. Koubarakis. Composition Algorithm for Cardinal Direction Relations. Proceedings of the 2nd Hellenic Conference on Artificial Intelligence (SETN'02), short paper, April 2002.

Other publications refereed by the editor

  1. P. Vassiliadis, Z. Vagena, S. Skiadopoulos, N. Karayannidis, and T. Sellis. Arktos: A Tool For Data Cleaning and Transformation in Data Warehouse Environments. IEEE Data Engineering Bulletin, 23(4):42--47, 2000.