Some Considerations on the Entity-Relationship Model.
A. Min Tjoa, Roland Wagner:
Some Considerations on the Entity-Relationship Model.
ER 1979: 145-154@inproceedings{DBLP:conf/er/TjoaW79,
author = {A. Min Tjoa and
Roland Wagner},
editor = {Peter P. Chen},
title = {Some Considerations on the Entity-Relationship Model},
booktitle = {Entity-Relationship Approach to Systems Analysis and Design.
Proc. 1st International Conference on the Entity-Relationship
Approach},
publisher = {North-Holland},
year = {1979},
isbn = {0-444-85487-8},
pages = {145-154},
ee = {db/conf/er/TjoaW79.html},
crossref = {DBLP:conf/er/79},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
BibTeX
Abstract
In this paper some aspects of well known data base modelling concepts are discussed for the entity-relationship model.
Abrial's concept of unknown values is introduced and a realization within the entity-relationship model is proposed.
Since the concept of weak dependencies is very important for the process of designing a suitable enterprise schema, the relevance of weak dependencies for the entity-relationship model is explored.
Furthermore embedded weak dependencies are considered.
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BibTeX
References
- [1]
- Jean-Raymond Abrial:
Data Semantics.
IFIP Working Conference Data Base Management 1974: 1-60 BibTeX
- [2]
- Catriel Beeri, Philip A. Bernstein, Nathan Goodman:
A Sophisticate's Introduction to Database Normalization Theory.
VLDB 1978: 113-124 BibTeX
- [3]
- Catriel Beeri, Philip A. Bernstein:
Computational Problems Related to the Design of Normal Form Relational Schemas.
ACM Trans. Database Syst. 4(1): 30-59(1979) BibTeX
- [4]
- Philip A. Bernstein:
Synthesizing Third Normal Form Relations from Functional Dependencies.
ACM Trans. Database Syst. 1(4): 277-298(1976) BibTeX
- [5]
- Jean-Marc Cadiou:
On Semantic Issues in the Relational Model of Data.
MFCS 1976: 23-38 BibTeX
- [6]
- Peter P. Chen:
The Entity-Relationship Model - Toward a Unified View of Data.
ACM Trans. Database Syst. 1(1): 9-36(1976) BibTeX
- [7]
- Ronald Fagin:
Multivalued Dependencies and a New Normal Form for Relational Databases.
ACM Trans. Database Syst. 2(3): 262-278(1977) BibTeX
- [8]
- ...
- [9]
- Moshé M. Zloof:
Query by Example.
AFIPS National Computer Conference 1975: 431-438 BibTeX
- [10]
- ...
- [11]
- ...
Referenced by
- Marc Junet, Gilles Falquet, Michel Léonard:
ECRINS/86: An Extended Entity-Relationship Data Base Management System and its Semantic Query Language.
VLDB 1986: 259-266
- Marc Junet:
Design and Implementation of an Extended Entity-Relationship Data Base Management System (ECRINS/86).
ER 1986: 305-322
- Johann Eder, Gerti Kappel, A. Min Tjoa, Roland Wagner:
BIER - The Behaviour Integrated Entity Realtionship Approach.
ER 1986: 147-166
- Peter P. Chen:
Recent Literature on the Entity-Relationship Approach.
ER 1979: 3-12
BibTeX
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