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Note: Links lead to the DBLP on the Web. Timos K. Sellis 95 Aris Tsois , Timos K. Sellis: The Generalized Pre-Grouping Transformation: Aggregate-Query Optimization in the Presence of Dependencies. VLDB 2003 94 Nikos Karayannidis , Timos K. Sellis: SISYPHUS: The implementation of a chunk-based storage manager for OLAP data cubes. DKE 45 (2): 155-180 (2003) 93 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 92 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 91 Nikos Karayannidis , Timos K. Sellis: SISYPHUS: A Chunk-Based Storage Manager for OLAP Cubes. DMDW 2001 : 10 90 Aris Tsois , Nikos Karayannidis , Timos K. Sellis: MAC: Conceptual data modeling for OLAP. DMDW 2001 : 5 89 Dimitri Theodoratos , Spyros Ligoudistianos , Timos K. Sellis: View selection for designing the global data warehouse. DKE 39 (3): 219-240 (2001) 88 Panos Vassiliadis , Zografoula Vagena , Spiros Skiadopoulos , Nikos Karayannidis , Timos K. Sellis: ARKTOS: towards the modeling, design, control and execution of ETL processes. Information Systems 26 (8): 537-561 (2001) 87 Timos K. Sellis: Databases Supporting Changes in Changing Worlds-The Case Spatio-Temporal Database Systems. IDEAS 2000 : 145 86 Dimitri Theodoratos , Timos K. Sellis: Answering Multidimensional Queries on Cubes Using Other Cubes. SSDBM 2000 : 109-123 85 Timos K. Sellis: Review - A Logical Approach to Multidimensional Databases. ACM SIGMOD Digital Review 2 : (2000) 84 Timos K. Sellis: Review - Efficient Processing of Spatial Joins Using R-Trees. ACM SIGMOD Digital Review 2 : (2000) 83 Timos K. Sellis: Review - Query Optimization by Simulated Annealing. ACM SIGMOD Digital Review 2 : (2000) 82 Timos K. Sellis: Review - The Aqua Approximate Query Answering System. ACM SIGMOD Digital Review 2 : (2000) 81 Timos K. Sellis: Review - The R*-Tree: An Efficient and Robust Access Method for Points and Rectangles. ACM SIGMOD Digital Review 2 : (2000) 80 Dimitri Theodoratos , Timos K. Sellis: Incremental Design of a Data Warehouse. JIIS 15 (1): 7-27 (2000) 79 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 and Applications 12 (2/3): 145-188 (2000) 78 Yannis Theodoridis , Emmanuel Stefanakis , Timos K. Sellis: Efficient Cost Models for Spatial Queries Using R-Trees. TKDE 12 (1): 19-32 (2000) 77 Isabelle Mirbel , Barbara Pernici , Timos K. Sellis, S. Tserkezoglou , Michalis Vazirgiannis : Checking the Temporal Integrity of Interactive Multimedia Documents. VLDB Journal 9 (2): 111-130 (2000) 76 Dimitri Theodoratos , Spyros Ligoudistianos , Timos K. Sellis: Designing the Global Data Warehouse with SPJ Views. CAiSE 1999 : 180-194 75 Yannis Vassiliou , Matthias Jarke , Timos K. Sellis, Eric Simon : Panel on Data Warehouse Quality Issues. CoopIS 1999 : 8-9 74 Timos K. Sellis: CHOROCHRONOS: Research on Spatiotemporal Database Systems. DEXA Workshop 1999 : 452-456 73 Ioannis Kostalas , Timos K. Sellis, Michalis Vazirgiannis : Spatiotemporal Specification & Verification of Multimedia Scenarios. DS-8 1999 : 169-188 72 Dimitri Theodoratos , Timos K. Sellis: Dynamic Data Warehouse Design. DaWaK 1999 : 1-10 71 Spyros Ligoudistianos , Timos K. Sellis, Dimitri Theodoratos , Yannis Vassiliou : Heuristic Algorithms for Designing a Data Warehouse with SPJ Views. DaWaK 1999 : 96-105 70 Timos K. Sellis: CHOROCHRONOS - Research on Spatio-temporal Database Systems. Integrated Spatial Databases 1999 : 308-316 69 Timos K. Sellis: Research Issues in Spatio-temporal Database Systems. SSD 1999 : 5-11 68 Dimitri Theodoratos , Timos K. Sellis: Designing Data Warehouses. DKE 31 (3): 279-301 (1999) 67 Michalis Vazirgiannis , Ioannis Kostalas , Timos K. Sellis: Specifying and Authoring Multimedia Scenarios. IEEE MultiMedia 6 (3): 24-37 (1999) 66 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) 65 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) 64 Panos Vassiliadis , Timos K. Sellis: A Survey of Logical Models for OLAP Databases. SIGMOD Record 28 (4): 64-69 (1999) 63 Costas Vassilakis , Panagiotis Georgiadis , Timos K. Sellis: Implementing Embedded Valid Time Query Languages. DEXA 1998 : 561-572 62 Spyros Ligoudistianos , Dimitri Theodoratos , Timos K. Sellis: Experimental Evaluation of Data Warehouse Configuration Algorithms. DEXA Workshop 1998 : 218-223 61 Dimitri Theodoratos , Timos K. Sellis: Data Warehouse Schema and Instance Design. ER 1998 : 363-376 60 Yannis Theodoridis , Emmanuel Stefanakis , Timos K. Sellis: Cost Models for Join Queries in Spatial Databases. ICDE 1998 : 476-483 59 Yannis Theodoridis , Timos K. Sellis, Apostolos Papadopoulos , Yannis Manolopoulos : Specifications for Efficient Indexing in Spatiotemporal Databases. SSDBM 1998 : 123-132 58 Theodore Dalamagas , Timos K. Sellis, L. Sinos : A Visual Database System for Spatial and Non-Spatial Data Management. VDB 1998 : 105-122 57 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 56 Yannis Theodoridis , Dimitris Papadias , Emmanuel Stefanakis , Timos K. Sellis: Direction Relations and Two-Dimensional Range Queries: Optimisation Techniques. DKE 27 (3): 313-336 (1998) 55 Michalis Vazirgiannis , Yannis Theodoridis , Timos K. Sellis: Spatio-Temporal Composition and Indexing for Large Multimedia Applications. Multimedia Systems 6 (4): 284-298 (1998) 54 Dimitri Theodoratos , Timos K. Sellis: Data Warehouse Configuration. VLDB 1997 : 126-135 53 Timos K. Sellis, Nick Roussopoulos , Christos Faloutsos : Multidimensional Access Methods: Trees Have Grown Everywhere. VLDB 1997 : 13-14 52 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) 51 Yannis E. Ioannidis , Raymond T. Ng , Kyuseok Shim , Timos K. Sellis: Parametric Query Optimization. VLDB Journal 6 (2): 132-151 (1997) 50 Yannis Theodoridis , Michalis Vazirgiannis , Timos K. Sellis: Spatio-Temporal Indexing for Large Multimedia Applications. ICMCS 1996 : 441-448 49 Michalis Vazirgiannis , Timos K. Sellis: Event and Action Representation and Composition for Multimedia Application Scenario Modelling. IDMS 1996 : 71-89 48 Yannis Theodoridis , Timos K. Sellis: A Model for the Prediction of R-tree Performance. PODS 1996 : 161-171 47 Timos K. Sellis: Rules in Database Systems, Second International Workshop, RIDS '95, Glyfada, Athens, Greece, September 25 - 27, 1995, Proceedings. Springer 1995 46 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 45 Christos Faloutsos , Raymond T. Ng , Timos K. Sellis: Flexible and Adaptable Buffer Management Techniques for Database Management Systems. IEEE Transactions on Computers 44 (4): 546-560 (1995) 44 Dimitris Papadias , Timos K. Sellis: A Pictorial Query-by-Example Language. Journal of Visual Languages and Computing 6 (1): 53-72 (1995) 43 Timos K. Sellis, Yannis Vassiliou : The Database Group at National Technical University of Athens (NTUA). SIGMOD Record 24 (4): 78-83 (1995) 42 Dimitris Papadias , Yannis Theodoridis , Timos K. Sellis: The Retrieval of Direction Relations using R-trees. DEXA 1994 : 173-182 41 Yannis Theodoridis , Timos K. Sellis: Optimization Issues in R-tree Construction (Extended Abstract). IGIS 1994 : 270-273 40 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. NAPAW 1994 39 Kyuseok Shim , Timos K. Sellis, Dana S. Nau : Improvements on a Heuristic Algorithm for Multiple-Query Optimization. DKE 12 (2): 197-222 (1994) 38 Louiqa Raschid , Timos K. Sellis, Alex Delis : A Simulation-Based Study on the Concurrent Execution of Rules in a Database Environment. Journal of Parallel and Distributed Computing 20 (1): 20-42 (1994) 37 Dimitris Papadias , Timos K. Sellis: Qualitative Representation of Spatial Knowledge in Two-Dimensional Space. VLDB Journal 3 (4): 479-516 (1994) 36 Dimitris Papadias , Timos K. Sellis: The Semantics of Relations in 2D Space Using Representative Points: Spatial Indexes. COSIT 1993 : 234-247 35 Timos K. Sellis, Chih-Chen Lin , Louiqa Raschid : Coupling Production Systems and Database Systems: A Homogeneous Approach. TKDE 5 (2): 240-256 (1993) 34 Christian S. Jensen , Leo Mark , Nick Roussopoulos , Timos K. Sellis: Using Differential Techniques to Efficiently Support Transaction Time. VLDB Journal 2 (1): 75-111 (1993) 33 John Grant , Witold Litwin , Nick Roussopoulos , Timos K. Sellis: Query Languages for Relational Multidatabases. VLDB Journal 2 (2): 153-171 (1993) 32 Timos K. Sellis, Chih-Chen Lin : A Geometric Approach to Indexing Large Rule Bases. EDBT 1992 : 405-420 31 Alex Delis , Louiqa Raschid , Timos K. Sellis: Experiments on the Concurrent Rule Execution in Database Systems. ICTAI 1992 : 405-412 30 Dimitris Papadias , Timos K. Sellis: Spatial Reasoning Using Symbolic Arrays. Spatio-Temporal Reasoning 1992 : 153-161 29 Yannis E. Ioannidis , Raymond T. Ng , Kyuseok Shim , Timos K. Sellis: Parametric Query Optimization. VLDB 1992 : 103-114 28 Yannis E. Ioannidis , Timos K. Sellis: Supporting Inconsistent Rules in Database Systems. JIIS 1 (3/4): 243-270 (1992) 27 Raymond T. Ng , Christos Faloutsos , Timos K. Sellis: Flexible Buffer Allocation Based on Marginal Gains. SIGMOD Conference 1991 : 387-396 26 Christos Faloutsos , Raymond T. Ng , Timos K. Sellis: Predictive Load Control for Flexible Buffer Allocation. VLDB 1991 : 265-274 25 Nick Roussopoulos , Leo Mark , Timos K. Sellis, Christos Faloutsos : An Architecture for High Performance Engineering Information Systems. TSE 17 (1): 22-33 (1991) 24 Timos K. Sellis, Leonard D. Shapiro : Query Optimization for Nontraditional Database Applications. TSE 17 (1): 77-86 (1991) 23 Timos K. Sellis, Nick Roussopoulos , Raymond T. Ng : Efficient compilation of large rule bases using logical access paths. IS 15 (1): 73-84 (1990) 22 Timos K. Sellis, Subrata Ghosh : On the Multiple-Query Optimization Problem. TKDE 2 (2): 262-266 (1990) 21 Yannis E. Ioannidis , Timos K. Sellis: Conflict Resolution of Rules Assigning Values to Virtual Attributes. SIGMOD Conference 1989 : 205-214 20 Chih-Chen Lin , Leo Mark , Timos K. Sellis, Christos Faloutsos : Performance Issues in the Binary Relationship Model. DKE 4 : 195-221 (1989) 19 Louiqa Raschid , Timos K. Sellis, Chih-Chen Lin : Exploiting Concurrency in a DBMS Implementation for Production Systems. Data Engineering Bulletin 12 (1): 37-43 (1989) 18 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) 17 Timos K. Sellis, Chih-Chen Lin , Louiqa Raschid : Data Intensive Production Systems: The DIPS Approach. SIGMOD Record 18 (3): 52-57 (1989) 16 Louiqa Raschid , Timos K. Sellis, Chih-Chen Lin : Exploiting Concurrency in a DBMS Implementation for Production. DPDS 1988 : 34-45 15 Timos K. Sellis, Nick Roussopoulos : Deep Compilation of Large Rule Bases. Expert Database Conf. 1988 : 525-549 14 Timos K. Sellis, Chih-Chen Lin , Louiqa Raschid : Implementing Large Production Systems in a DBMS Environment: Concepts and Algorithms. SIGMOD Conference 1988 : 404-412 13 Timos K. Sellis, Nick Roussopoulos , Leo Mark , Christos Faloutsos : Expert Database Systems: Efficient Support for Engineering Environments. DKE 3 : 71-85 (1988) 12 Timos K. Sellis: Intelligent caching and indexing techniques for relational database systems. IS 13 (2): 175-185 (1988) 11 Sakti P. Ghosh , C. C. Lin , Timos K. Sellis: Implementation of a Prolog-INGRES Interface. SIGMOD Record 17 (2): 77-88 (1988) 10 Timos K. Sellis: Multiple-Query Optimization. TODS 13 (1): 23-52 (1988) 9 Nick Roussopoulos , Christos Faloutsos , Timos K. Sellis: An Efficient Pictorial Database System for PSQL. TSE 14 (5): 639-650 (1988) 8 John Grant , Timos K. Sellis: Deductive Heterogeneous Databases. ISMIS 1987 : 159-166 7 Timos K. Sellis: Efficiently Supporting Procedures in Relational Database Systems. SIGMOD Conference 1987 : 278-291 6 Christos Faloutsos , Timos K. Sellis, Nick Roussopoulos : Analysis of Object Oriented Spatial Access Methods. SIGMOD Conference 1987 : 426-439 5 Timos K. Sellis, Nick Roussopoulos , Christos Faloutsos : The R+-Tree: A Dynamic Index for Multi-Dimensional Objects. VLDB 1987 : 507-518 4 Michael Stonebraker , Timos K. Sellis, Eric N. Hanson : An Analysis of Rule Indexing Implementations in Data Base Systems. Expert Database Conf. 1986 : 465-476 3 Timos K. Sellis: Global Query Optimization. SIGMOD Conference 1986 : 191-205 2 Timos K. Sellis, Leonard D. Shapiro : Optimization of Extended Database Query Languages. SIGMOD Conference 1985 : 424-436 1 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  DiSC'03 © 2003 Association for Computing Machinery |
