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RELATIONSHIP RELATIONS AND NATURAL QUANTIFICATION IN RELATIONAL DATABASES

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Author
Bradley, J.
Accessioned
2008-02-27T22:58:57Z
Available
2008-02-27T22:58:57Z
Computerscience
1999-05-27
Issued
1987-06-01
Subject
Computer Science
Type
unknown
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Abstract
An alternative to the conventional method of constructing retrieval expressions for relational databases is proposed. This alternative uses precise definitions of relationships between relations, in the form of relationship relations, as well as quantification of subsets of a relation that are related to any tuple in the database. The relationship relation is used to precisely define how a subset of a relation is related to a tuple. This approach permits not only the existential and universal quantifiers, but also the large number of natural quantifiers that exist. Resulting set theoretic expressions, and expressions in relational languages based on this technique, usually mirror the corresponding natural language statement.
Notes
We are currently acquiring citations for the work deposited into this collection. We recognize the distribution rights of this item may have been assigned to another entity, other than the author(s) of the work.If you can provide the citation for this work or you think you own the distribution rights to this work please contact the Institutional Repository Administrator at digitize@ucalgary.ca
Corporate
University of Calgary
Faculty
Science
Doi
http://dx.doi.org/10.11575/PRISM/30460
Uri
http://hdl.handle.net/1880/46291
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