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1 "Using Abstractions for Spatio-Temporal Conceptual Modeling, Proceedings of the 2000 ACM Symposium on Applied Computing" Italy 2000
2 "Toward Spatio-Temporal Patterns, Spatio-Temporal Databases Flexible Querying and Reasoning" 29-53, 2004
3 "Time in Geographic Information Systems" 1993
4 "The Object Database Standard : ODMG-93" Morgan Kaufmann 1997
5 "Spatiotemporal Model and Language for Moving Objects on Road Networks, Advances in Spatial and Temporal Databases 7th International Symposium" Springer-Verlag 2121 : 20-35, 2001
6 "Spatio-temporal Models and Languages : An Approach Based on Data Types" Springer-Verlag 2520 : 117-176, 2003
7 "Spatio-temporal Models and Languages : An Approach Based on Constraints" Springer-Verlag 2520 : 177-201, 2003
8 "Spatio-Temporal Conceptual Models : Data Structures + Space + Time" 26-33, 1999
9 "Lambda-DB: An ODMG-Based Object-Oriented DBMS" Dallas 2000
10 "Knowledge-Based Approach for an object-Oriented Spatial Database System" 9 (9): 99-115, 2003
11 "IEEE Transaction On Knowledge and Data Engineering" 6 (6): 86-95, 1994
12 "Descriptive modeling and prescriptive modeling in spatial data handling Proceedings of the International Conference GIS-From Space to Territory Theories and Methods of Spatio-Temporal Reasoning" Springer-Verlag 367 : 21 122-23 135, 1992
13 "DIGEST(digital geographic information exchange standard), edition 1.2, Defence Mapping Agency" USA, Digital Geographic Information Working Group 1994
14 "Communications of the ACM" 34 (34): 50-63, 1991
15 "An Introduction to Spatial Database Systems" 357-399, 1994
16 "An Extended Entity-Relationship Model for Geographic Applications" 26 (26): 24-29, 1997
17 "A tool for specifying data models Proceedings of the ACM SIGMOD Conference" 277-286, 1993