Yannis Theodoridis

Georgios Kellaris, Nikos Pelekis, Yannis Theodoridis: Map-matched trajectory compression. Journal of Systems and Software 86(6): 1566-1579 (2013)

Eirini Ntoutsi, Myra Spiliopoulou, Yannis Theodoridis: FINGERPRINT: Summarizing Cluster Evolution in Dynamic Environments. IJDWM 8(3): 27-44 (2012)

Nikos Pelekis, Gennady L. Andrienko, Natalia V. Andrienko, Ioannis Kopanakis, Gerasimos Marketos, Yannis Theodoridis: Visually exploring movement data via similarity-based analysis. J. Intell. Inf. Syst. 38(2): 343-391 (2012)

Costas Panagiotakis, Nikos Pelekis, Ioannis Kopanakis, Emmanuel Ramasso, Yannis Theodoridis: Segmentation and Sampling of Moving Object Trajectories Based on Representativeness. IEEE Trans. Knowl. Data Eng. 24(7): 1328-1343 (2012)

Nikos Pelekis, Aris Gkoulalas-Divanis, Marios Vodas, Anargyros Plemenos, Despina Kopanaki, Yannis Theodoridis: Private-HERMES: a benchmark framework for privacy-preserving mobility data querying and mining methods. EDBT 2012: 598-601

Alexandros Doulamis, Nikos Pelekis, Yannis Theodoridis: EasyTracker: An Android Application for Capturing Mobility Behavior. Panhellenic Conference on Informatics 2012: 357-362

Nikos Pelekis, Ioannis Kopanakis, Evangelos E. Kotsifakos, Elias Frentzos, Yannis Theodoridis: Clustering uncertain trajectories. Knowl. Inf. Syst. 28(1): 117-147 (2011)

Nikos Pelekis, Aris Gkoulalas-Divanis, Marios Vodas, Despina Kopanaki, Yannis Theodoridis: Privacy-aware querying over sensitive trajectory data. CIKM 2011: 895-904

Spyros Sioutas, Kostas Tsichlas, Ioannis Karydis, Yannis Manolopoulos, Yannis Theodoridis: NEFOS: Rapid Cache-Aware Range Query Processing with Probabilistic Guarantees. DEXA (1) 2011: 62-77

Irene Ntoutsi, Myra Spiliopoulou, Yannis Theodoridis: Summarizing Cluster Evolution in Dynamic Environments. ICCSA (2) 2011: 562-577

Zhixian Yan, Nikos Giatrakos, Vangelis Katsikaros, Nikos Pelekis, Yannis Theodoridis: SeTraStream: Semantic-Aware Trajectory Construction over Streaming Movement Data. SSTD 2011: 367-385

Luca Leonardi, Gerasimos Marketos, Elias Frentzos, Nikos Giatrakos, Salvatore Orlando, Nikos Pelekis, Alessandra Raffaetà, Alessandro Roncato, Claudio Silvestri, Yannis Theodoridis: T-Warehouse: Visual OLAP analysis on trajectory data. ICDE 2010: 1141-1144

Gerasimos Marketos, Yannis Theodoridis: Ad-hoc OLAP on Trajectory Data. Mobile Data Management 2010: 189-198

Nikos Pelekis, Ioannis Kopanakis, Costas Panagiotakis, Yannis Theodoridis: Unsupervised Trajectory Sampling. ECML/PKDD (3) 2010: 17-33

Nikos Giatrakos, Yannis Kotidis, Antonios Deligiannakis, Vasilis Vassalos, Yannis Theodoridis: TACO: tunable approximate computation of outliers in wireless sensor networks. SIGMOD Conference 2010: 279-290

Gerasimos Marketos, Yannis Theodoridis, Ioannis S. Kalogeras: Seismological Data Warehousing and Mining. Strategic Advancements in Utilizing Data Mining and Warehousing Technologies 2010: 22-37

Irene Ntoutsi, Myra Spiliopoulou, Yannis Theodoridis: Tracing cluster transitions for different cluster types. Control and Cybernetics 38(1): 239-259 (2009)

Ilaria Bartolini, Paolo Ciaccia, Irene Ntoutsi, Marco Patella, Yannis Theodoridis: The Panda framework for Comparing Patterns. Data Knowl. Eng. 68(2): 244-260 (2009)

Dimitrios K. Iakovidis, Nikos Pelekis, Evangelos E. Kotsifakos, Ioannis Kopanakis, Haralampos Karanikas, Yannis Theodoridis: A Pattern Similarity Scheme for Medical Image Retrieval. IEEE Transactions on Information Technology in Biomedicine 13(4): 442-450 (2009)

Elias Frentzos, Kostas Gratsias, Yannis Theodoridis: On the Effect of Location Uncertainty in Spatial Querying. IEEE Trans. Knowl. Data Eng. 21(3): 366-383 (2009)

Fosca Giannotti, Dino Pedreschi, Yannis Theodoridis: Geographic privacy-aware knowledge discovery and delivery. EDBT 2009: 1157-1158

Nikos Pelekis, Ioannis Kopanakis, Evangelos E. Kotsifakos, Elias Frentzos, Yannis Theodoridis: Clustering Trajectories of Moving Objects in an Uncertain World. ICDM 2009: 417-427

Vicky Tsikolidaki, Nikos Pelekis, Yannis Theodoridis: GF-Miner: a Genetic Fuzzy Classifier for Numerical Data. AIAI 2009: 529-534

Georgios Kellaris, Nikos Pelekis, Yannis Theodoridis: Trajectory Compression under Network Constraints. SSTD 2009: 392-398

Gerasimos Marketos, Yannis Theodoridis: Mobility Data Warehousing and Mining. VLDB PhD Workshop 2009

Donghui Zhang, Yannis Manolopoulos, Yannis Theodoridis, Vassilis J. Tsotras: Extendible Hashing. Encyclopedia of Database Systems 2009: 1093-1095

Apostolos N. Papadopoulos, Yannis Manolopoulos, Yannis Theodoridis, Vassilis J. Tsotras: Grid File (and Family). Encyclopedia of Database Systems 2009: 1279-1282

Donghui Zhang, Yannis Manolopoulos, Yannis Theodoridis, Vassilis J. Tsotras: Linear Hashing. Encyclopedia of Database Systems 2009: 1619-1622

Yannis Manolopoulos, Yannis Theodoridis, Vassilis J. Tsotras: Primary Index. Encyclopedia of Database Systems 2009: 2135-2136

Apostolos N. Papadopoulos, Antonio Corral, Alexandros Nanopoulos, Yannis Theodoridis: R-Tree (and Family). Encyclopedia of Database Systems 2009: 2453-2459

Yannis Manolopoulos, Yannis Theodoridis, Vassilis J. Tsotras: Secondary Index. Encyclopedia of Database Systems 2009: 2522-2523

Yannis Manolopoulos, Yannis Theodoridis, Vassilis J. Tsotras: Spatial Indexing Techniques. Encyclopedia of Database Systems 2009: 2702-2707

Elias Frentzos, Yannis Theodoridis, Apostolos N. Papadopoulos: Spatio-Temporal Trajectories. Encyclopedia of Database Systems 2009: 2742-2746

Yannis Manolopoulos, Yannis Theodoridis, Vassilis J. Tsotras: Tree-based Indexing. Encyclopedia of Database Systems 2009: 3172-3173

Gerasimos Marketos, Yannis Theodoridis, Ioannis S. Kalogeras: Seismological Data Warehousing and Mining: A Survey. IJDWM 4(1): 1-16 (2008)

Riccardo Ortale, Ettore Ritacco, Nikos Pelekis, Roberto Trasarti, Gianni Costa, Fosca Giannotti, Giuseppe Manco, Chiara Renso, Yannis Theodoridis: The DAEDALUS framework: progressive querying and mining of movement data. GIS 2008: 52

Evangelos E. Kotsifakos, Irene Ntoutsi, Yannis Vrahoritis, Yannis Theodoridis: Pattern-Miner: integrated management and mining over data mining models. KDD 2008: 1081-1084

Gerasimos Marketos, Elias Frentzos, Irene Ntoutsi, Nikos Pelekis, Alessandra Raffaetà, Yannis Theodoridis: Building real-world trajectory warehouses. MobiDE 2008: 8-15

Elias Frentzos, Nikos Pelekis, Yannis Theodoridis: Cost Models and Efficient Algorithms on Existentially Uncertain Spatial Data. Panhellenic Conference on Informatics 2008: 26-30

Evangelos E. Kotsifakos, Irene Ntoutsi, Yannis Vrahoritis, Yannis Theodoridis: Monitoring Patterns through an Integrated Management and Mining Tool. ECML/PKDD (2) 2008: 678-683

Irene Ntoutsi, Alexandros Kalousis, Yannis Theodoridis: A general framework for estimating similarity of datasets and decision trees: exploring semantic similarity of decision trees. SDM 2008: 810-821

Riccardo Ortale, Ettore Ritacco, Nikos Pelekis, Roberto Trasarti, Gianni Costa, Fosca Giannotti, Giuseppe Manco, Chiara Renso, Yannis Theodoridis: DAEDALUS: A knowledge discovery analysis framework for movement data. SEBD 2008: 191-198

Irene Ntoutsi, Yannis Theodoridis: Comparing Datasets Using Frequent Itemsets: Dependency on the Mining Parameters. SETN 2008: 212-225

Nikos Pelekis, Elias Frentzos, Nikos Giatrakos, Yannis Theodoridis: HERMES: aggregative LBS via a trajectory DB engine. SIGMOD Conference 2008: 1255-1258

José Antônio Fernandes de Macêdo, Christelle Vangenot, Walied Othman, Nikos Pelekis, Elias Frentzos, Bart Kuijpers, Irene Ntoutsi, Stefano Spaccapietra, Yannis Theodoridis: Trajectory Data Models. Mobility, Data Mining and Privacy 2008: 123-150

Elias Frentzos, Nikos Pelekis, Irene Ntoutsi, Yannis Theodoridis: Trajectory Database Systems. Mobility, Data Mining and Privacy 2008: 151-187

Nikos Pelekis, Alessandra Raffaetà, Maria Luisa Damiani, Christelle Vangenot, Gerasimos Marketos, Elias Frentzos, Irene Ntoutsi, Yannis Theodoridis: Towards Trajectory Data Warehouses. Mobility, Data Mining and Privacy 2008: 189-211

Marios Hadjieleftheriou, Yannis Manolopoulos, Yannis Theodoridis, Vassilis J. Tsotras: R-Trees - A Dynamic Index Structure for Spatial Searching. Encyclopedia of GIS 2008: 993-1002

Vassilios S. Verykios, Emmanuel D. Pontikakis, Yannis Theodoridis, LiWu Chang: Efficient algorithms for distortion and blocking techniques in association rule hiding. Distributed and Parallel Databases 22(1): 85-104 (2007)

Elias Frentzos, Kostas Gratsias, Nikos Pelekis, Yannis Theodoridis: Algorithms for Nearest Neighbor Search on Moving Object Trajectories. GeoInformatica 11(2): 159-193 (2007)

Elias Frentzos, Yannis Theodoridis: On the Effect of Trajectory Compression in Spatiotemporal Querying. ADBIS 2007: 217-233

Spyros Vosinakis, Nikos Pelekis, Yannis Theodoridis, Themis Panayiotopoulos: Handling spatial vagueness in virtual agent control. GRAPP (AS/IE) 2007: 75-82

Nikos Pelekis, Ioannis Kopanakis, Irene Ntoutsi, Gerasimos Marketos, Yannis Theodoridis: Mining Trajectory Databases via a Suite of Distance Operators. ICDE Workshops 2007: 575-584

Elias Frentzos, Kostas Gratsias, Yannis Theodoridis: Index-based Most Similar Trajectory Search. ICDE 2007: 816-825

Nikos Pelekis, Ioannis Kopanakis, Gerasimos Marketos, Irene Ntoutsi, Gennady L. Andrienko, Yannis Theodoridis: Similarity Search in Trajectory Databases. TIME 2007: 129-140

Elias Frentzos, Kostas Gratsias, Yannis Theodoridis: Towards the Next Generation of Location-Based Services. W2GIS 2007: 202-215

Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos: Cost models for distance joins queries using R-trees. Data Knowl. Eng. 57(1): 1-36 (2006)

Alexandros Nanopoulos, Yannis Theodoridis, Yannis Manolopoulos: Indexed-based density biased sampling for clustering applications. Data Knowl. Eng. 57(1): 37-63 (2006)

Gerasimos Marketos, Yannis Theodoridis: Measuring Performance in the Retail Industry (Position Paper). Business Process Management Workshops 2006: 129-140

Evangelos Dellis, Akrivi Vlachou, Ilya Vladimirskiy, Bernhard Seeger, Yannis Theodoridis: Constrained subspace skyline computation. CIKM 2006: 415-424

Haralampos Karanikas, Nikos Pelekis, Dimitrios K. Iakovidis, Ioannis Kopanakis, Thomas Mavroudakis, Yannis Theodoridis: MetaOn - Ontology Driven Metadata Construction and Management for Intelligent Search in Text and Image Collections. DEXA Workshops 2006: 450-454

Nikos Pelekis, Yannis Theodoridis, Spyros Vosinakis, Themis Panayiotopoulos: Hermes - A Framework for Location-Based Data Management. EDBT 2006: 1130-1134

Myra Spiliopoulou, Irene Ntoutsi, Yannis Theodoridis, Rene Schult: MONIC: modeling and monitoring cluster transitions. KDD 2006: 706-711

Nikos Pelekis, Yannis Theodoridis: Boosting location-based services with a moving object database engine. MobiDE 2006: 3-10

Nikos Pelekis, Babis Theodoulidis, Ioannis Kopanakis, Yannis Theodoridis: Fuzzy Miner: Extracting Fuzzy Rules from Numerical Patterns. IJDWM 1(1): 57-81 (2005)

Yannis Theodoridis, Panos Vassiliadis: Report on the International Workshop on Pattern Representation and Management (PaRMa'04). SIGMOD Record 34(2): 65-67 (2005)

Evangelos E. Kotsifakos, Irene Ntoutsi, Yannis Theodoridis: Database Support for Data Mining Patterns. Panhellenic Conference on Informatics 2005: 14-24

Elias Frentzos, Kostas Gratsias, Nikos Pelekis, Yannis Theodoridis: Nearest Neighbor Search on Moving Object Trajectories. SSTD 2005: 328-345

Kostas Gratsias, Elias Frentzos, Vasilis Delis, Yannis Theodoridis: Towards a Taxonomy of Location Based Services. W2GIS 2005: 19-30

Nikos Mamoulis, Yannis Theodoridis, Dimitris Papadias: Spatial Joins: Algorithms, Cost Models and Optimization Techniques. Spatial Databases 2005: 155-184

Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos: Algorithms for processing K-closest-pair queries in spatial databases. Data Knowl. Eng. 49(1): 67-104 (2004)

Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos: Multi-Way Distance Join Queries in Spatial Databases. GeoInformatica 8(4): 373-402 (2004)

Nikos Pelekis, Babis Theodoulidis, Ioannis Kopanakis, Yannis Theodoridis: Literature review of spatio-temporal database models. Knowledge Eng. Review 19(3): 235-274 (2004)

Vassilios S. Verykios, Elisa Bertino, Igor Nai Fovino, Loredana Parasiliti Provenza, Yücel Saygin, Yannis Theodoridis: State-of-the-art in privacy preserving data mining. SIGMOD Record 33(1): 50-57 (2004)

Panos Vassiliadis, Barbara Catania, Daniel A. Keim, Yannis Theodoridis, Céline Robardet: Pattern management challenges. PaRMa 2004

Ilaria Bartolini, Paolo Ciaccia, Irene Ntoutsi, Marco Patella, Yannis Theodoridis: A Unified and Flexible Framework for Comparing Simple and Complex Patterns. PKDD 2004: 496-499

Emmanuel D. Pontikakis, Yannis Theodoridis, Achilleas A. Tsitsonis, LiWu Chang, Vassilios S. Verykios: A quantitative and qualitative ANALYSIS of blocking in association rule hiding. WPES 2004: 29-30

Yannis Theodoridis, Panos Vassiliadis (Eds.): Proceedings of the Intl. Workshop on Pattern Representation and Management, Heraklion, Hellas, March 18, 2004, PaRMa 2004 was held in conjunction with the 9th Int. Conference on Extending Database Technology (EDBT 2004). CEUR Workshop Proceedings 96, CEUR-WS.org 2004

Yannis Theodoridis: Ten Benchmark Database Queries for Location-based Services. Comput. J. 46(6): 713-725 (2003)

Mario A. Nascimento, Dieter Pfoser, Yannis Theodoridis: Synthetic and Real Spatiotemporal Datasets. IEEE Data Eng. Bull. 26(2): 26-32 (2003)

Dieter Pfoser, Yannis Theodoridis: Generating semantics-based trajectories of moving objects. Computers, Environment and Urban Systems 27(3): 243-263 (2003)

Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos: Distance Join Queries of Multiple Inputs in Spatial Databases. ADBIS 2003: 323-338

Adriano Di Pasquale, Luca Forlizzi, Christian S. Jensen, Yannis Manolopoulos, Enrico Nardelli, Dieter Pfoser, Guido Proietti, Simonas Saltenis, Yannis Theodoridis, Theodoros Tzouramanis, Michael Vassilakopoulos: Access Methods and Query Processing Techniques. Spatio-Temporal Databases: The CHOROCHRONOS Approach 2003: 203-261

Manolis Koubarakis, Yannis Theodoridis, Timos K. Sellis: Spatio-temporal Databases in the Years Ahead. Spatio-Temporal Databases: The CHOROCHRONOS Approach 2003: 345-347

Thanasis Hadzilacos, Yannis Manolopoulos, John F. Roddick, Yannis Theodoridis (Eds.): Advances in Spatial and Temporal Databases, 8th International Symposium, SSTD 2003, Santorini Island, Greece, July 24-27, 2003, Proceedings. Lecture Notes in Computer Science 2750, Springer 2003, isbn 3-540-40535-6

Sotiris Brakatsoulas, Dieter Pfoser, Yannis Theodoridis: Revisiting R-Tree Construction Principles. ADBIS 2002: 149-162

Alexandros Nanopoulos, Yannis Manolopoulos, Yannis Theodoridis: An efficient and effective algorithm for density biased sampling. CIKM 2002: 398-404

Dimitris Papadias, Nikos Mamoulis, Yannis Theodoridis: Constraint-Based Processing of Multiway Spatial Joins. Algorithmica 30(2): 188-215 (2001)

Yannis Theodoridis: SEISMO-SURFER: A Prototype for Collecting, Querying, and Mining Seismic Data. Panhellenic Conference on Informatics 2001: 159-171

Alexandros Nanopoulos, Yannis Theodoridis, Yannis Manolopoulos: C²P: Clustering based on Closest Pairs. VLDB 2001: 331-340

Yannis Theodoridis, Mario A. Nascimento: Generating Spatiotemporal Datasets on the WWW. SIGMOD Record 29(3): 39-43 (2000)

Yannis Theodoridis, Emmanuel Stefanakis, Timos K. Sellis: Efficient Cost Models for Spatial Queries Using R-Trees. IEEE Trans. Knowl. Data Eng. 12(1): 19-32 (2000)

Antonio Corral, Yannis Manolopoulos, Yannis Theodoridis, Michael Vassilakopoulos: Closest Pair Queries in Spatial Databases. SIGMOD Conference 2000: 189-200

Dieter Pfoser, Christian S. Jensen, Yannis Theodoridis: Novel Approaches in Query Processing for Moving Object Trajectories. VLDB 2000: 395-406

Yannis Manolopoulos, Yannis Theodoridis, Vassilis J. Tsotras: Advanced Database Indexing. Advances in Database Systems 17, Kluwer 1999, isbn 0-7923-7716-8, pp. 1-269

Fosca Giannotti, Robert Jeansoulin, Yannis Theodoridis: Beyond Current Technology: The Perspective of Three EC GIS Projects. DEXA Workshop 1999: 510

Dimitris Papadias, Nikos Mamoulis, Yannis Theodoridis: Processing and Optimization of Multiway Spatial Joins Using R-Trees. PODS 1999: 44-55

Yannis Theodoridis, Jefferson R. O. Silva, Mario A. Nascimento: On the Generation of Spatiotemporal Datasets. SSD 1999: 147-164

Mario A. Nascimento, Jefferson R. O. Silva, Yannis Theodoridis: Evaluation of Access Structures for Discretely Moving Points. Spatio-Temporal Database Management 1999: 171-188

Yannis Theodoridis, Dimitris Papadias, Emmanuel Stefanakis, Timos K. Sellis: Direction Relations and Two-Dimensional Range Queries: Optimisation Techniques. Data Knowl. Eng. 27(3): 313-336 (1998)

Michalis Vazirgiannis, Yannis Theodoridis, Timos K. Sellis: Spatio-Temporal Composition and Indexing for Large Multimedia Applications. Multimedia Syst. 6(4): 284-298 (1998)

Yannis Theodoridis, Emmanuel Stefanakis, Timos K. Sellis: Cost Models for Join Queries in Spatial Databases. ICDE 1998: 476-483

Yannis Theodoridis, Timos K. Sellis, Apostolos Papadopoulos, Yannis Manolopoulos: Specifications for Efficient Indexing in Spatiotemporal Databases. SSDBM 1998: 123-132

Dimitris Papadias, Yannis Theodoridis: Spatial Relations, Minimum Bounding Rectangles, and Spatial Data Structures. International Journal of Geographical Information Science 11(2): 111-138 (1997)

Emmanuel Stefanakis, Yannis Theodoridis, Timos K. Sellis, Yuk-Cheung Lee: Point Representation of Spatial Objects and Query Window Extension: A New Technique for Spatial Access Methods. International Journal of Geographical Information Science 11(6): 529-554 (1997)

Yannis Theodoridis, Michalis Vazirgiannis, Timos K. Sellis: Spatio-Temporal Indexing for Large Multimedia Applications. ICMCS 1996: 441-448

Yannis Theodoridis, Timos K. Sellis: A Model for the Prediction of R-tree Performance. PODS 1996: 161-171

Yannis Theodoridis, Dimitris Papadias: Range Queries Involving Spatial Relations: A Performance Analysis. COSIT 1995: 537-551

Dimitris Papadias, Yannis Theodoridis, Timos K. Sellis, Max J. Egenhofer: Topological Relations in the World of Minimum Bounding Rectangles: A Study with R-trees. SIGMOD Conference 1995: 92-103

Dimitris Papadias, Yannis Theodoridis, Timos K. Sellis: The Retrieval of Direction Relations using R-trees. DEXA 1994: 173-182

Yannis Theodoridis, Timos K. Sellis: Optimization Issues in R-tree Construction (Extended Abstract). IGIS 1994: 270-273