NDLI: Construetor set's database support for knowledge based systems

Content Provider	IEEE Xplore Digital Library
Author	Lirmemann, Volker
Copyright Year	1986
Description	Author affiliation: Fachbereich Informatik, Johann Wolfgang Goethe-Universität, Dantestr. 9, D-6000 Frankfurt am Main 1, West Germany (Lirmemann, Volker)
Abstract	Current database systems provide only rather limited tools for advanced applications, for example for the database support of knowledge based systems. Especially, it is not possible to represent recursive rules which are denned on the basis of stored data (facts). Using the terminology of PROLOG, this means that database systems provide means for managing facts, but rules are not supported. The semantic gap, therefore, between conventional database systems on the one hand and knowledge base management systems on the other is too large. This paper presents new tools, based on a database programming language, which allow the support of rules on the basis of existing relations. These rules may be recursive, thus providing similar mechanisms as PROLOG does. The tools are set oriented, they allow, therefore, an efficient implementation. Moreover, some disadvantages of PROLOG are avoided, for example infinite recursion. In addition, data types are defined for the representation of updatable rule bases thus providing a first step towards integrated fact and rule management using relational technology.
Starting Page	244
Ending Page	251
File Size	3290897
Page Count	8
File Format	PDF
ISBN	9780818606557
DOI	10.1109/ICDE.1986.7266228
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1986-02-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cities and towns Computer languages Semantics Knowledge based systems Database systems Reactive power
Content Type	Text
Resource Type	Article

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