Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	James F. Allen, Maintaining knowledge about temporal intervals, Communications of the ACM, v.26 n.11, p.832-843, Nov. 1983  [doi>10.1145/182.358434]
	2	Y. Bedard, C. Caron, Z. Maamar, B. Moulin, D. Valiere. Adapting Data Models for the design of Spatio-Temporal Databases, Computer Environment and Urban Systems, 20(1), 1996.
	3	Elisa Bertino , Elena Ferrari , Giovanna Guerrini, T_Chimera: a temporal object-oriented data model, Theory and Practice of Object Systems, v.3 n.2, p.103-125, 1997  [doi>10.1002/(SICI)1096-9942(1997)3:2<103::AID-TAPO3>3.0.CO;2-W ]
	4	Grady Booch , James Rumbaugh , Ivar Jacobson, The Unified Modeling Language user guide, Addison Wesley Longman Publishing Co., Inc., Redwood City, CA, 1999
	5	Benoit David , Laurent Raynal , Guylaine Schorter , Véronique Mansart, GeO2: Why Objects in a Geographical DBMS?, Proceedings of the Third International Symposium on Advances in Spatial Databases, p.264-276, June 23-25, 1993
	6	Y. Dennebouy et al. SUPER: Visual Interfaces for Object+Relationship Data Model, Journal Of Visual Languages and Computing, March 1995.
	7	P. Donini, C. Parent, S. Spaccapietra, E. Zim~nyi, Syntax and Semantics for the MADS conceptual model. Technical Report TR-99-02, Database Laboratory, Ecole Polytechnique F~d~rale de Lausanne, February 1999.
	8	R. Elmasri, G. Wuu, and V. Kouramajian. A temporal model and query language for EER databases. In A.U. Tansel et al. (Eds.) Temporal databases. Theory, design, and implementation. Benjamin/Cummings, 1993.
	9	O. Etzion, A. Gal, A. Segev. Extended Update Functionality in Temporal Databases, In O. Etzion et al. (Eds), Temporal Databases: Research and Practice, LNCS 1399, Springer 1998.
	10	Stephen Ferg, Modelling the Time Dimension in an Entity-Relationship Diagram, Proceedings of the Fourth International Conference on Entity-Relationship Approach, p.280-286, October 29-30, 1985
	11	O. Gayte, T. Libourel, J.P. Cheylan, S. Lardon. Conception des syst~mes d'information sur l'environnement, Herm~s, Paris, 1997.
	12	Heidi Gregersen , Christian S. Jensen, Temporal Entity-Relationship Models-A Survey, IEEE Transactions on Knowledge and Data Engineering, v.11 n.3, p.464-497, May 1999  [doi>10.1109/69.774104 ]
	13	H. Gregersen, C.S. Jensen, and L. Mark. Evaluating Temporally Extended ER Models. In Proceedings of the 2nd CaiSE'97 International Workshop on Evaluation of Modeling Methods in Systems Analysis and Design, 1997.
	14	H. Gregersen and C. S. Jensen. Conceptual Modeling of Time-varying Information. TimeCenter Technical Report TR-35, September 1998.
	15	R.M. Guting et al. A Foundation for Representing and Querying Moving Objects. FernUniversitaet Hagen, Informatik-Report 238, September 1998
	16	IEF Information Engineering Facility, A Guide to Information Engineering Using the IEF, Texas Instruments, 1988.
	17	S.F. Keller, A Presentation Model and a Mapping Language for INTERLIS, Document RFC-1011e, Federal Directorate of Cadastral Surveying, Berne, Switzerland, September 1997.
	18	Manfred R. Klopprogge , Peter C. Lockemann, Modelling Information Preserving Databases: Consequences of the Concept of Time, Proceedings of the 9th International Conference on Very Large Data Bases, p.399-416, October 31-November 02, 1983
	19	D. Pantazis, J.P. Donnay. La conception de SIG - Methode et formalisme, Herm~s, 1996.
	20	Stefano Spaccapietra , Christine Parent , Esteban Zimanyi, Modeling time from a conceptual perspective, Proceedings of the seventh international conference on Information and knowledge management, p.432-440, November 02-07, 1998, Bethesda, Maryland, United States  [doi>10.1145/288627.288693]
	21	C. Parent, S. Spaccapietra, E. Zim~nyi, P. Donini, C. Plazent, C. Vangenot Modeling Spatial Data in the MADS Conceptual Model. In Proceedings of the 8th International Symposium on Spatial Data Handling, SDH'98, p. 138-150. 1998.
	22	Niki Pissinou , Richard Thomas Snodgrass , Ramez Elmasri , Inderpal S. Mumick , Tamer Özsu , Barbara Pernici , Arie Segev , Babis Theodoulidis , Umeshwar Dayal, Towards an infrastructure for temporal databases: report of an invitational ARPA/NSF workshop, ACM SIGMOD Record, v.23 n.1, p.35-51, March 1994  [doi>10.1145/181550.181557]
	23	Richard Thomas Snodgrass, The TSQL2 Temporal Query Language, Kluwer Academic Publishers, Norwell, MA, 1995
	24	Richard Snodgrass, Temporal object-oriented databases: a critical comparison, Modern database systems: the object model, interoperability, and beyond, ACM Press/Addison-Wesley Publishing Co., New York, NY, 1995
	25	Nectaria Tryfona , Dieter Pfoser , Thanasis Hadzilacos, Modeling Behavior of Geographic Objects: An Experience with the Object Modeling Technique, Proceedings of the 9th International Conference on Advanced Information Systems Engineering, p.347-359, June 16-20, 1997
	26	C. Vangenot, Multiscale support in the MADS conceptual model. Technical Report TR-99-01, Database Laboratory, Ecole Polytechnique F~d~rale de Lausanne, February 1999.
	27	G.T.J. Wuu and U. Dayal: A Uniform Model for Temporal and Versioned Object-oriented Databases. In A.U. Tansel et al (Eds.), Temporal databases. Theory, design, and implementation. Benjamin/Cummings, 1993

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