ACM SIGMOD Anthology VLDB dblp.uni-trier.de

A Temporal Knowledge Representation Model OSAM*/T and Its Query Language OQL/T.

Stanley Y. W. Su, Hsin-Hsing M. Chen: A Temporal Knowledge Representation Model OSAM*/T and Its Query Language OQL/T. VLDB 1991: 431-442
@inproceedings{DBLP:conf/vldb/SuC91,
  author    = {Stanley Y. W. Su and
               Hsin-Hsing M. Chen},
  editor    = {Guy M. Lohman and
               Am\'{\i}lcar Sernadas and
               Rafael Camps},
  title     = {A Temporal Knowledge Representation Model OSAM*/T and Its Query
               Language OQL/T},
  booktitle = {17th International Conference on Very Large Data Bases, September
               3-6, 1991, Barcelona, Catalonia, Spain, Proceedings},
  publisher = {Morgan Kaufmann},
  year      = {1991},
  isbn      = {1-55860-150-3},
  pages     = {431-442},
  ee        = {db/conf/vldb/SuC91.html},
  crossref  = {DBLP:conf/vldb/91},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}
BibTeX

Abstract

The importance of temporal database management and temporal reasoning has long been recognized by the database and AI communities. Many techniques for modeling and managing temporal databases have been introduced. Most of the existing research on temporal databases have been based on the relational data model which has limited capabilities in modeling complex objects, constraints, and behavioral properties. In this paper, we present an object-oriented knowledge-based approach to model and process temporal information. A temporal knowledge representation model OSAM*/T is described. It is an extension of the object-oriented semantic association model OSAM* to capture the concepts of time and history. Object time-stamping is used to record the evolutions of objects, and knowledgerules instead of extra time notions are used to capture special temporal requirements. The temporal model is also featured by its separation of historical data and current data and its simple and maintainable representation of complex objects. In addition to the temporal data model, this paper also introduces a temporal query language OQL/T which is an extension of the object-oriented query languageOQL for processing temporal information. Several temporal functions, interval comparison operators, and set operators are described.

Copyright © 1991 by the VLDB Endowment. Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the VLDB copyright notice and the title of the publication and its date appear, and notice is given that copying is by the permission of the Very Large Data Base Endowment. To copy otherwise, or to republish, requires a fee and/or special permission from the Endowment.


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Printed Edition

Guy M. Lohman, Amílcar Sernadas, Rafael Camps (Eds.): 17th International Conference on Very Large Data Bases, September 3-6, 1991, Barcelona, Catalonia, Spain, Proceedings. Morgan Kaufmann 1991, ISBN 1-55860-150-3
BibTeX

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Referenced by

  1. Stanley Y. W. Su, Soon J. Hyun, Hsin-Hsing M. Chen: Temporal Association Algebra: A Mathematical Foundation for Processing Object-Oriented Temporal Databases. IEEE Trans. Knowl. Data Eng. 10(3): 389-408(1998)
  2. Avigdor Gal, Opher Etzion: A Multiagent Update Process in a Database with Temporal Data Dependencies and Schema Versioning. IEEE Trans. Knowl. Data Eng. 10(1): 21-37(1998)
  3. Iqbal A. Goralwalla, Duane Szafron, M. Tamer Özsu, Randal J. Peters: Managing Schema Evolution Using a Temporal Object Model. ER 1997: 71-84
  4. Elisa Bertino, Elena Ferrari, Giovanna Guerrini: A Formal Temporal Object-Oriented Data Model. EDBT 1996: 342-356
  5. Gultekin Özsoyoglu, Richard T. Snodgrass: Temporal and Real-Time Databases: A Survey. IEEE Trans. Knowl. Data Eng. 7(4): 513-532(1995)
  6. Woo Saeng Kim, Duk Chul Chang, Tae Young Lim, Young Ho Shin: Temporal Object-Oriented Data Model for the Schema Modification. DASFAA 1995: 422-429
  7. Rakesh Chandra, Arie Segev, Michael Stonebraker: Implementing Calendars and Temporal Rules in Next Generation Databases. ICDE 1994: 264-273
  8. Rakesh Chandra, Arie Segev: Managing Temporal Financial Data in an Extensible Database. VLDB 1993: 302-313
  9. Ellen Rose, Arie Segev: TOOSQL - A Temporal Object-Oriented Query Language. ER 1993: 122-136
  10. Umeshwar Dayal, Gene T. J. Wuu: A Uniform Approach to Processing Temporal Queries. VLDB 1992: 407-418
  11. Wesley W. Chu, Ion Tim Ieong, Ricky K. Taira, Claudine M. Breant: A Temporal Evolutionary Object-Oriented Data Model and Its Query Language for Medical Image Management. VLDB 1992: 53-64
BibTeX
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