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Note: Links lead to the DBLP on the Web. Timos K. Sellis Spiros Skiadopoulos , Christos Giannoukos , Panos Vassiliadis , Timos K. Sellis, Manolis Koubarakis : Computing and Handling Cardinal Direction Information. EDBT 2004 : 329-347 Nikos Karayannidis , Timos K. Sellis, Yannis Kouvaras : CUBE File: A File Structure for Hierarchically Clustered OLAP Cubes. EDBT 2004 : 621-638 Theodore Dalamagas , Tao Cheng , Klaas-Jan Winkel , Timos K. Sellis: Clustering XML Documents by Structure. SETN 2004 : 112-121 Manolis Koubarakis , Timos K. Sellis, Andrew U. Frank , Stéphane Grumbach , Ralf Hartmut Güting , Christian S. Jensen , Nikos A. Lorentzos , Yannis Manolopoulos , Enrico Nardelli , Barbara Pernici , Hans-Jörg Schek , Michel Scholl , Babis Theodoulidis , Nectaria Tryfona : Spatio-Temporal Databases: The CHOROCHRONOS Approach Springer 2003 Roland Pieringer , Klaus Elhardt , Frank Ramsak , Volker Markl , Robert Fenk , Robert Bayer , Nikos Karayannidis , Aris Tsois , Timos K. Sellis: Combining Hierarchy Encoding and Pre-Grouping: Intelligent Grouping in Star Join Processing. ICDE 2003 : 329-340 Manolis Koubarakis , Timos K. Sellis: Introduction. Spatio-Temporal Databases: The CHOROCHRONOS Approach 2003 : 1-8 Manolis Koubarakis , Yannis Theodoridis , Timos K. Sellis: Spatio-temporal Databases in the Years Ahead. Spatio-Temporal Databases: The CHOROCHRONOS Approach 2003 : 345-347 Aris Tsois , Timos K. Sellis: The Generalized Pre-Grouping Transformation: Aggregate-Query Optimization in the Presence of Dependencies. VLDB 2003 : 644-655 Nikos Karayannidis , Timos K. Sellis: SISYPHUS: The implementation of a chunk-based storage manager for OLAP data cubes. Data Knowl. Eng. 45 (2): 155-180 (2003) Aris Tsois , Nikos Karayannidis , Timos K. Sellis, Dimitri Theodoratos : Cost-based optimization of aggregation star queries on hierarchically clustered data warehouses. DMDW 2002 : 62-71 Nikos Karayannidis , Aris Tsois , Timos K. Sellis, Roland Pieringer , Volker Markl , Frank Ramsak , Robert Fenk , Klaus Elhardt , Rudolf Bayer : Processing Star Queries on Hierarchically-Clustered Fact Tables. VLDB 2002 : 730-741 Nikos Karayannidis , Timos K. Sellis: SISYPHUS: A Chunk-Based Storage Manager for OLAP Cubes. DMDW 2001 : 10 Aris Tsois , Nikos Karayannidis , Timos K. Sellis: MAC: Conceptual data modeling for OLAP. DMDW 2001 : 5 Nikos Karayannidis , Aris Tsois , Panos Vassiliadis , Timos K. Sellis: Design of the ERATOSTHENES OLAP Server. Panhellenic Conference on Informatics 2001 : 32-49 Dimitri Theodoratos , Spyros Ligoudistianos , Timos K. Sellis: View selection for designing the global data warehouse. Data Knowl. Eng. 39 (3): 219-240 (2001) Panos Vassiliadis , Zografoula Vagena , Spiros Skiadopoulos , Nikos Karayannidis , Timos K. Sellis: ARKTOS: towards the modeling, design, control and execution of ETL processes. Inf. Syst. 26 (8): 537-561 (2001) Timos K. Sellis: Databases Supporting Changes in Changing Worlds-The Case Spatio-Temporal Database Systems. IDEAS 2000 : 145 Dimitri Theodoratos , Timos K. Sellis: Answering Multidimensional Queries on Cubes Using Other Cubes. SSDBM 2000 : 109-123 Timos K. Sellis: Review - A Logical Approach to Multidimensional Databases. ACM SIGMOD Digital Review 2 : (2000) Timos K. Sellis: Review - Efficient Processing of Spatial Joins Using R-Trees. ACM SIGMOD Digital Review 2 : (2000) Timos K. Sellis: Review - Query Optimization by Simulated Annealing. ACM SIGMOD Digital Review 2 : (2000) Timos K. Sellis: Review - The Aqua Approximate Query Answering System. ACM SIGMOD Digital Review 2 : (2000) Timos K. Sellis: Review - The R*-Tree: An Efficient and Robust Access Method for Points and Rectangles. ACM SIGMOD Digital Review 2 : (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) Dimitri Theodoratos , Timos K. Sellis: Incremental Design of a Data Warehouse. J. Intell. Inf. Syst. 15 (1): 7-27 (2000) Michalis Vazirgiannis , D. Tsirikos , T. Markousis , M. Trafalis , Y. Stamati , Michael Hatzopoulos , Timos K. Sellis: Interactive Multimedia Documents: A Modeling, Authoring and Rendering Approach. Multimedia Tools Appl. 12 (2/3): 145-188 (2000) Isabelle Mirbel , Barbara Pernici , Timos K. Sellis, S. Tserkezoglou , Michalis Vazirgiannis : Checking the Temporal Integrity of Interactive Multimedia Documents. VLDB J. 9 (2): 111-130 (2000) Dimitri Theodoratos , Spyros Ligoudistianos , Timos K. Sellis: Designing the Global Data Warehouse with SPJ Views. CAiSE 1999 : 180-194 Yannis Vassiliou , Matthias Jarke , Timos K. Sellis, Eric Simon : Panel on Data Warehouse Quality Issues. CoopIS 1999 : 8-9 Timos K. Sellis: CHOROCHRONOS: Research on Spatiotemporal Database Systems. DEXA Workshop 1999 : 452-456 Ioannis Kostalas , Timos K. Sellis, Michalis Vazirgiannis : Spatiotemporal Specification & Verification of Multimedia Scenarios. DS-8 1999 : 169-188 Dimitri Theodoratos , Timos K. Sellis: Dynamic Data Warehouse Design. DaWaK 1999 : 1-10 Spyros Ligoudistianos , Timos K. Sellis, Dimitri Theodoratos , Yannis Vassiliou : Heuristic Algorithms for Designing a Data Warehouse with SPJ Views. DaWaK 1999 : 96-105 Timos K. Sellis: CHOROCHRONOS - Research on Spatio-temporal Database Systems. Integrated Spatial Databases 1999 : 308-316 Timos K. Sellis: Research Issues in Spatio-temporal Database Systems. SSD 1999 : 5-11 Dimitri Theodoratos , Timos K. Sellis: Designing Data Warehouses. Data Knowl. Eng. 31 (3): 279-301 (1999) Michalis Vazirgiannis , Ioannis Kostalas , Timos K. Sellis: Specifying and Authoring Multimedia Scenarios. IEEE MultiMedia 6 (3): 24-37 (1999) Emmanuel Stefanakis , Michalis Vazirgiannis , Timos K. Sellis: Incorporating fuzzy set methodologies in a DBMS repository for the application domain of GIS. International Journal of Geographical Information Science 13 (7): 657-675 (1999) Richard T. Snodgrass , Serge Abiteboul , Sophie Cluet , Michael J. Franklin , Guy M. Lohman , David B. Lomet , Gultekin Özsoyoglu , Raghu Ramakrishnan , Kenneth A. Ross , Timos K. Sellis, Patrick Valduriez : Reminiscences on Influential Papers. SIGMOD Record 28 (1): 110-114 (1999) Andrew U. Frank , Stéphane Grumbach , Ralf Hartmut Güting , Christian S. Jensen , Manolis Koubarakis , Nikos A. Lorentzos , Yannis Manolopoulos , Enrico Nardelli , Barbara Pernici , Hans-Jörg Schek , Michel Scholl , Timos K. Sellis, Babis Theodoulidis , Peter Widmayer : Chorochronos: A Research Network for Spatiotemporal Database Systems. SIGMOD Record 28 (3): 12-21 (1999) Panos Vassiliadis , Timos K. Sellis: A Survey of Logical Models for OLAP Databases. SIGMOD Record 28 (4): 64-69 (1999) Costas Vassilakis , Panagiotis Georgiadis , Timos K. Sellis: Implementing Embedded Valid Time Query Languages. DEXA 1998 : 561-572 Spyros Ligoudistianos , Dimitri Theodoratos , Timos K. Sellis: Experimental Evaluation of Data Warehouse Configuration Algorithms. DEXA Workshop 1998 : 218-223 Dimitri Theodoratos , Timos K. Sellis: Data Warehouse Schema and Instance Design. ER 1998 : 363-376 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 Theodore Dalamagas , Timos K. Sellis, L. Sinos : A Visual Database System for Spatial and Non-Spatial Data Management. VDB 1998 : 105-122 L. Sinos , Theodore Dalamagas , Timos K. Sellis: Image Information System (IIS): A Visual Database System for Spatial and Non-Spatial Data Management. VDB 1998 : 161-167 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) Dimitri Theodoratos , Timos K. Sellis: Data Warehouse Configuration. VLDB 1997 : 126-135 Timos K. Sellis, Nick Roussopoulos , Christos Faloutsos : Multidimensional Access Methods: Trees Have Grown Everywhere. VLDB 1997 : 13-14 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 E. Ioannidis , Raymond T. Ng , Kyuseok Shim , Timos K. Sellis: Parametric Query Optimization. VLDB J. 6 (2): 132-151 (1997) Yannis Theodoridis , Michalis Vazirgiannis , Timos K. Sellis: Spatio-Temporal Indexing for Large Multimedia Applications. ICMCS 1996 : 441-448 Michalis Vazirgiannis , Timos K. Sellis: Event and Action Representation and Composition for Multimedia Application Scenario Modelling. IDMS 1996 : 71-89 Yannis Theodoridis , Timos K. Sellis: A Model for the Prediction of R-tree Performance. PODS 1996 : 161-171 Timos K. Sellis: Rules in Database Systems, Second International Workshop, RIDS '95, Glyfada, Athens, Greece, September 25 - 27, 1995, Proceedings Springer 1995 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 Christos Faloutsos , Raymond T. Ng , Timos K. Sellis: Flexible and Adaptable Buffer Management Techniques for Database Management Systems. IEEE Trans. Computers 44 (4): 546-560 (1995) Dimitris Papadias , Timos K. Sellis: A Pictorial Query-by-Example Language. J. Vis. Lang. Comput. 6 (1): 53-72 (1995) Timos K. Sellis, Yannis Vassiliou : The Database Group at National Technical University of Athens (NTUA). SIGMOD Record 24 (4): 78-83 (1995) Asuman Dogac , M. Tamer Özsu , Alexandros Biliris , Timos K. Sellis: Advances in Object-Oriented Database Systems, Proceedings of the NATO Advanced Study Institute on Object-Oriented Database Systems, held in Izmir, Kusadasi, Turkey, August 6-16, 1993 NATO ASI OODBS 1994 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 Kyuseok Shim , Timos K. Sellis, Dana S. Nau : Improvements on a Heuristic Algorithm for Multiple-Query Optimization. Data Knowl. Eng. 12 (2): 197-222 (1994) Louiqa Raschid , Timos K. Sellis, Alex Delis : A Simulation-Based Study on the Concurrent Execution of Rules in a Database Environment. J. Parallel Distrib. Comput. 20 (1): 20-42 (1994) Dimitris Papadias , Timos K. Sellis: Qualitative Representation of Spatial Knowledge in Two-Dimensional Space VLDB J. 3 (4): 479-516 (1994) Dimitris Papadias , Timos K. Sellis: The Semantics of Relations in 2D Space Using Representative Points: Spatial Indexes. COSIT 1993 : 234-247 Timos K. Sellis, Chih-Chen Lin , Louiqa Raschid : Coupling Production Systems and Database Systems: A Homogeneous Approach. IEEE Trans. Knowl. Data Eng. 5 (2): 240-256 (1993) Christian S. Jensen , Leo Mark , Nick Roussopoulos , Timos K. Sellis: Using Differential Techniques to Efficiently Support Transaction Time VLDB J. 2 (1): 75-111 (1993) John Grant , Witold Litwin , Nick Roussopoulos , Timos K. Sellis: Query Languages for Relational Multidatabases VLDB J. 2 (2): 153-171 (1993) Timos K. Sellis, Chih-Chen Lin : A Geometric Approach to Indexing Large Rule Bases. EDBT 1992 : 405-420 Alex Delis , Louiqa Raschid , Timos K. Sellis: Experiments on the Concurrent Rule Execution in Database Systems. ICTAI 1992 : 405-412 Dimitris Papadias , Timos K. Sellis: Spatial Reasoning Using Symbolic Arrays. Spatio-Temporal Reasoning 1992 : 153-161 Yannis E. Ioannidis , Raymond T. Ng , Kyuseok Shim , Timos K. Sellis: Parametric Query Optimization. VLDB 1992 : 103-114 Mike P. Papazoglou , Timos K. Sellis: Preface. Int. J. Cooperative Inf. Syst. 1 (1): 1-4 (1992) Mike P. Papazoglou , S. C. Laufmann , Timos K. Sellis: An Organizational Framework for Cooperating Intelligent Information Systems. Int. J. Cooperative Inf. Syst. 1 (1): 169-202 (1992) Yannis E. Ioannidis , Timos K. Sellis: Supporting Inconsistent Rules in Database Systems. J. Intell. Inf. Syst. 1 (3/4): 243-270 (1992) Raymond T. Ng , Christos Faloutsos , Timos K. Sellis: Flexible Buffer Allocation Based on Marginal Gains. SIGMOD Conference 1991 : 387-396 Christos Faloutsos , Raymond T. Ng , Timos K. Sellis: Predictive Load Control for Flexible Buffer Allocation. VLDB 1991 : 265-274 Nick Roussopoulos , Leo Mark , Timos K. Sellis, Christos Faloutsos : An Architecture for High Performance Engineering Information Systems. IEEE Trans. Software Eng. 17 (1): 22-33 (1991) Timos K. Sellis, Leonard D. Shapiro : Query Optimization for Nontraditional Database Applications. IEEE Trans. Software Eng. 17 (1): 77-86 (1991) Timos K. Sellis, Subrata Ghosh : On the Multiple-Query Optimization Problem. IEEE Trans. Knowl. Data Eng. 2 (2): 262-266 (1990) Timos K. Sellis, Nick Roussopoulos , Raymond T. Ng : Efficient compilation of large rule bases using logical access paths. Inf. Syst. 15 (1): 73-84 (1990) Yannis E. Ioannidis , Timos K. Sellis: Conflict Resolution of Rules Assigning Values to Virtual Attributes. SIGMOD Conference 1989 : 205-214 Chih-Chen Lin , Leo Mark , Timos K. Sellis, Christos Faloutsos : Performance Issues in the Binary Relationship Model. Data Knowl. Eng. 4 : 195-221 (1989) Louiqa Raschid , Timos K. Sellis, Chih-Chen Lin : Exploiting Concurrency in a DBMS Implementation for Production Systems. IEEE Data Eng. Bull. 12 (1): 37-43 (1989) Timos K. Sellis: Special Issue on Rule Management and Processing in Expert Database Systems - Letter from the Guest Editor. SIGMOD Record 18 (3): 3-4 (1989) Timos K. Sellis, Chih-Chen Lin , Louiqa Raschid : Data Intensive Production Systems: The DIPS Approach. SIGMOD Record 18 (3): 52-57 (1989) Louiqa Raschid , Timos K. Sellis, Chih-Chen Lin : Exploiting Concurrency in a DBMS Implementation for Production. DPDS 1988 : 34-45 Timos K. Sellis, Nick Roussopoulos : Deep Compilation of Large Rule Bases. Expert Database Conf. 1988 : 525-549 Timos K. Sellis, Chih-Chen Lin , Louiqa Raschid : Implementing Large Production Systems in a DBMS Environment: Concepts and Algorithms. SIGMOD Conference 1988 : 404-412 Timos K. Sellis: Multiple-Query Optimization. ACM Trans. Database Syst. 13 (1): 23-52 (1988) Timos K. Sellis, Nick Roussopoulos , Leo Mark , Christos Faloutsos : Expert Database Systems: Efficient Support for Engineering Environments. Data Knowl. Eng. 3 : 71-85 (1988) Nick Roussopoulos , Christos Faloutsos , Timos K. Sellis: An Efficient Pictorial Database System for PSQL. IEEE Trans. Software Eng. 14 (5): 639-650 (1988) Timos K. Sellis: Intelligent caching and indexing techniques for relational database systems. Inf. Syst. 13 (2): 175-185 (1988) Sakti P. Ghosh , C. C. Lin , Timos K. Sellis: Implementation of a Prolog-INGRES Interface. SIGMOD Record 17 (2): 77-88 (1988) John Grant , Timos K. Sellis: Deductive Heterogeneous Databases. ISMIS 1987 : 159-166 Timos K. Sellis: Efficiently Supporting Procedures in Relational Database Systems. SIGMOD Conference 1987 : 278-291 Christos Faloutsos , Timos K. Sellis, Nick Roussopoulos : Analysis of Object Oriented Spatial Access Methods. SIGMOD Conference 1987 : 426-439 Timos K. Sellis, Nick Roussopoulos , Christos Faloutsos : The R+-Tree: A Dynamic Index for Multi-Dimensional Objects. VLDB 1987 : 507-518 Michael Stonebraker , Timos K. Sellis, Eric N. Hanson : An Analysis of Rule Indexing Implementations in Data Base Systems. Expert Database Conf. 1986 : 465-476 Timos K. Sellis: Global Query Optimization. SIGMOD Conference 1986 : 191-205 Timos K. Sellis, Leonard D. Shapiro : Optimization of Extended Database Query Languages. SIGMOD Conference 1985 : 424-436 Ru-Mei Kung , Eric N. Hanson , Yannis E. Ioannidis , Timos K. Sellis, Leonard D. Shapiro , Michael Stonebraker : Heuristic Search in Data Base Systems. Expert Database Workshop 1984 : 537-548 1 [ 68 ] 2 [ 102 ] 3 [ 96 ] 4 [ 44 ] 5 [ 104 ] 6 [ 68 ] 7 [ 59 ] [ 60 ] [ 104 ] 8 [ 33 ] [ 40 ] 9 [ 44 ] 10 [ 48 ] 11 [ 96 ] [ 102 ] 12 [ 5 ] [ 6 ] [ 11 ] [ 12 ] [ 20 ] [ 25 ] [ 26 ] [ 27 ] [ 47 ] [ 55 ] 13 [ 96 ] [ 102 ] 14 [ 67 ] [ 103 ] 15 [ 68 ] 16 [ 65 ] 17 [ 9 ] 18 [ 23 ] 19 [ 106 ] 20 [ 8 ] [ 35 ] 21 [ 67 ] [ 103 ] 22 [ 67 ] [ 103 ] 23 [ 1 ] [ 4 ] 24 [ 81 ] 25 [ 1 ] [ 21 ] [ 28 ] [ 31 ] [ 53 ] 26 [ 78 ] 27 [ 36 ] [ 67 ] [ 103 ] 28 [ 91 ] [ 93 ] [ 94 ] [ 95 ] [ 96 ] [ 97 ] [ 98 ] [ 102 ] [ 105 ] 29 [ 70 ] [ 76 ] 30 [ 67 ] [ 100 ] [ 101 ] [ 103 ] [ 106 ] 31 [ 105 ] 32 [ 1 ] 33 [ 29 ] 34 [ 54 ] 35 [ 64 ] [ 74 ] [ 79 ] [ 92 ] 36 [ 9 ] 37 [ 14 ] [ 16 ] [ 17 ] [ 19 ] [ 20 ] [ 34 ] [ 37 ] 38 [ 35 ] 39 [ 68 ] 40 [ 68 ] 41 [ 67 ] [ 103 ] 42 [ 61 ] [ 67 ] [ 103 ] 43 [ 12 ] [ 20 ] [ 25 ] [ 36 ] 44 [ 96 ] [ 102 ] 45 [ 81 ] 46 [ 80 ] 47 [ 67 ] [ 103 ] 48 [ 41 ] 49 [ 22 ] [ 26 ] [ 27 ] [ 31 ] [ 47 ] [ 53 ] 50 [ 68 ] 51 [ 44 ] 52 [ 32 ] [ 38 ] [ 39 ] [ 43 ] [ 46 ] [ 48 ] [ 58 ] 53 [ 61 ] 54 [ 29 ] [ 30 ] 55 [ 67 ] [ 80 ] [ 103 ] 56 [ 96 ] [ 102 ] 57 [ 68 ] 58 [ 96 ] [ 102 ] 59 [ 14 ] [ 16 ] [ 17 ] [ 19 ] [ 33 ] [ 37 ] [ 40 ] 60 [ 68 ] 61 [ 5 ] [ 6 ] [ 11 ] [ 12 ] [ 15 ] [ 22 ] [ 25 ] [ 35 ] [ 36 ] [ 55 ] 62 [ 67 ] [ 103 ] 63 [ 67 ] [ 103 ] 64 [ 1 ] [ 2 ] [ 24 ] 65 [ 31 ] [ 41 ] [ 53 ] 66 [ 78 ] 67 [ 59 ] [ 60 ] 68 [ 91 ] [ 106 ] 69 [ 68 ] 70 [ 81 ] 71 [ 54 ] [ 58 ] [ 62 ] [ 69 ] [ 83 ] 72 [ 1 ] [ 4 ] 73 [ 56 ] [ 63 ] [ 64 ] [ 71 ] [ 74 ] [ 75 ] [ 79 ] [ 82 ] [ 89 ] [ 92 ] [ 97 ] 74 [ 42 ] [ 43 ] [ 48 ] [ 50 ] [ 52 ] [ 54 ] [ 57 ] [ 58 ] [ 61 ] [ 62 ] [ 83 ] [ 100 ] 75 [ 67 ] [ 103 ] 76 [ 81 ] 77 [ 103 ] 78 [ 80 ] 79 [ 81 ] 80 [ 93 ] [ 94 ] [ 96 ] [ 97 ] [ 99 ] [ 102 ] 81 [ 91 ] 82 [ 68 ] 83 [ 65 ] 84 [ 66 ] [ 91 ] [ 93 ] [ 106 ] 85 [ 45 ] [ 74 ] [ 78 ] 86 [ 51 ] [ 52 ] [ 57 ] [ 69 ] [ 70 ] [ 76 ] [ 80 ] [ 81 ] 87 [ 67 ] 88 [ 104 ]  ©2004 Association for Computing Machinery |
