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An Implementation of GEM - Supporting a Semantic Data Model on a Relational Back-End.

Shalom Tsur, Carlo Zaniolo: An Implementation of GEM - Supporting a Semantic Data Model on a Relational Back-End. SIGMOD Conference 1984: 286-295
@inproceedings{DBLP:conf/sigmod/TsurZ84,
  author    = {Shalom Tsur and
               Carlo Zaniolo},
  editor    = {Beatrice Yormark},
  title     = {An Implementation of GEM - Supporting a Semantic Data Model on
               a Relational Back-End},
  booktitle = {SIGMOD'84, Proceedings of Annual Meeting, Boston, Massachusetts,
               June 18-21, 1984},
  publisher = {ACM Press},
  year      = {1984},
  pages     = {286-295},
  ee        = {http://doi.acm.org/10.1145/602259.602297, db/conf/sigmod/TsurZ84.html},
  crossref  = {DBLP:conf/sigmod/84},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}
BibTeX

Abstract

This paper presents a simple approach for extending the relational system INGRES into one supporting a semantic data model. It describes a DBMS consisting of (i) a user-friendly front-end, supporting the GEM semantic data model and query language under the UNIX time-sharing system, and (ii) a dedicated back-end processor providing efficient support for database transactions, concurrency control and recovery. GEM extends the relational model to support the notions of entities with surrogates, the relationships of aggregation and generalization, null values and set-valued attributes, and provides simple extensions of QUEL to handle these new constructs. In this proposed implementation of GEM, the relational database processor IDM 500 by Britton-Lee is used as the back-end machine.

Copyright © 1984 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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Beatrice Yormark (Ed.): SIGMOD'84, Proceedings of Annual Meeting, Boston, Massachusetts, June 18-21, 1984. ACM Press 1984 BibTeX , SIGMOD Record 14(2)
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References

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Referenced by

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  6. Stan Danforth, Patrick Valduriez: A FAD for Data Intensive Applications. IEEE Trans. Knowl. Data Eng. 4(1): 34-51(1992)
  7. Marco A. Casanova, Antonio L. Furtado, Luiz Tucherman: A Software Tool for Modular Database Design. ACM Trans. Database Syst. 16(2): 209-234(1991)
  8. Mingsen Guo, Stanley Y. W. Su, Herman Lam: An Association Algebra For Processing Object-Oriented Databases. ICDE 1991: 23-32
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  10. Edward Sciore: Abbreviation Techniques in Entity-Relationship Query Languages. ER 1991: 129-145
  11. Shamkant B. Navathe, A. Balaraman: A Transaction Architecture for a General Purpose Semantic Data Model. ER 1991: 511-541
  12. Brian A. Nixon: Implementation of Information System Design Specifications: A Performance Perspective. DBPL 1991: 149-168
  13. Jean Philippe Lagrange: A Knowledge-Based System and an ER Query Language for Accessing Relational Databases. ER 1990: 157-170
  14. Michael Stonebraker: Future Trends in Database Systems. IEEE Trans. Knowl. Data Eng. 1(1): 33-44(1989)
  15. Georges Gardarin, Jean-Pierre Cheiney, Gerald Kiernan, Dominique Pastre, Hervé Stora: Managing Complex Objects in an Extensible Relational DBMS. VLDB 1989: 55-65
  16. 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
  17. Michael Stonebraker: Future Trends in Data Base Systems. ICDE 1988: 222-231
  18. Lawrence Chung, Daniel Rios-Zertuche, Brian A. Nixon, John Mylopoulos: Process Management and Assertion Enforcement for a Semantic Data Model. EDBT 1988: 469-487
  19. Richard Hull, Roger King: Semantic Database Modeling: Survey, Applications, and Research Issues. ACM Comput. Surv. 19(3): 201-260(1987)
  20. W. Bradley Rubenstein: A Database Design for Musical Information. SIGMOD Conference 1987: 479-490
  21. Brian A. Nixon, Lawrence Chung, David Lauzon, Alexander Borgida, John Mylopoulos, Martin Stanley: Implementation of a Compiler for a Semantic Data Model: Experiences with Taxis. SIGMOD Conference 1987: 118-131
  22. Peter Lyngbæk, Victor Vianu: Mapping a Semantic Database Model to the Relational Model. SIGMOD Conference 1987: 132-142
  23. Brian A. Nixon, John Mylopoulos: Integration Issues in Implementing Semantic Data Models. DBPL 1987: 187-217
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  27. Timos K. Sellis, Leonard D. Shapiro: Optimization of Extended Database Query Languages. SIGMOD Conference 1985: 424-436
  28. Carlo Zaniolo: The Database Language GEM. SIGMOD Conference 1983: 207-218
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