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A Technique for Transforming Rules in Deductive Databases

Mamat, Ali (1994) A Technique for Transforming Rules in Deductive Databases. Pertanika Journal of Science & Technology, 2 (2). pp. 121-136. ISSN 0128-7680

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In deductive databases the efficiency of recursive query evaluation is considered as an important goal. One approach to achieving this goal is to use methods that transform the original query into a new set of queries. One such method is magic sets. In the magic sets method, a query expressed by rules is transformed into a set of rules called magic rules. This paper shows how to perform this transformation by using a rule/goal graph data structure. The advantage of the technique used here is that it is very simple and clear.

Item Type:Article
Keyword:deductive databases, recursive rules, magic sets, rule/goal graph, logic, query
Faculty or Institute:Faculty of Environmental Studies
Publisher:Universiti Putra Malaysia Press
ID Code:3111
Deposited By: Nur Izzati Mohd Zaki
Deposited On:24 Nov 2009 10:09
Last Modified:27 May 2013 15:05

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