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vol 63 / December, 2020
Article

DOI 10.17586/0021-3454-2018-61-11-956-962

UDC 004.827

THE PROBLEM OF KNOWLEDGE RETRIEVING WITH THE USE OF PRECEDENT-BASED REASONING

A. V. Krylov
St. Petersburg Institute for Informatics and Automation of the RAS, Laboratory of Information Technologies in Systems Analysis and Modeling; Post-Graduate Student


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Abstract. Methods of knowledge representation in the precedent knowledge base, as well as search and extraction of precedents similar to a current situation, are considered as applied to solving the problems of proactive management in decision-support systems. It is shown that for decision-support systems with large precedent bases, the most rational option is to combine the precedents extracting approaches based on the "k nearest neighbors" method. In this case, other methods are used for pre-filtering of pre-cedents in the database
Keywords: expert systems, decision support systems, precedent approach, methods for extracting precedents, complex organizational and technical objects

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