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SIM: A Database System Based on the Semantic Data Model.

D. Jagannathan, R. L. Guck, B. L. Fritchman, J. P. Thompson, D. M. Tolbert: SIM: A Database System Based on the Semantic Data Model. SIGMOD Conference 1988: 46-55
@inproceedings{DBLP:conf/sigmod/JagannathanGFTT88,
  author    = {D. Jagannathan and
               R. L. Guck and
               B. L. Fritchman and
               J. P. Thompson and
               D. M. Tolbert},
  editor    = {Haran Boral and
               Per-{\AA}ke Larson},
  title     = {SIM: A Database System Based on the Semantic Data Model},
  booktitle = {Proceedings of the 1988 ACM SIGMOD International Conference on
               Management of Data, Chicago, Illinois, June 1-3, 1988},
  publisher = {ACM Press},
  year      = {1988},
  pages     = {46-55},
  ee        = {http://doi.acm.org/10.1145/50202.50207},
  crossref  = {DBLP:conf/sigmod/88},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

SIM is a fully featured, commercially avaible database management system based on a semantic data model similar to Hammer and McLeod's SDM. SIM has two primary modeling goals: The first is to narrow the gap between a user's real-world perception of data and the conceptual view imposed by the database system because of modeling presuppositions or limitations. The second goal is to allow, as much as possible, the semantics of data to be defined in the schema and make the database system responsible for enforcing its integrity. SIM provides a rich set of constructs for schema definition, including those for specifying generalization hierarchies modeled by directed acyclic graphs, interobject relationships and integrity constraints. It also features a novel, easy-to-use, English-like DML. This paper describes the key modeling features of SIM, the architecture of the system and its implementation considerations.

Copyright © 1988 by the ACM, Inc., used by permission. Permission to make digital or hard copies is granted provided that copies are not made or distributed for profit or direct commercial advantage, and that copies show this notice on the first page or initial screen of a display along with the full citation.


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Haran Boral, Per-Åke Larson (Eds.): Proceedings of the 1988 ACM SIGMOD International Conference on Management of Data, Chicago, Illinois, June 1-3, 1988. ACM Press 1988 CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML, SIGMOD Record 17(2), June 1988
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