Application of Analytic Hierarchy Process to Extract the User's Purpose of Expert Systems

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  • エキスパートシステムにおける利用者の意図抽出への階層化意思決定法の適用
  • エキスパート システム ニ オケル リヨウシャ ノ イト チュウシュツ エ ノ

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Abstract

This paper deals with an application of analytic hierarchy process (AHP) to extract the user's purpose which must be input to expert systems. In the AHP, the process to obtain the weights for criteria by pairwise comparisons is interpreted as the extraction of the decision marker's idea about the importance of each criterion. With this interpretation, the analytic hierarchy process is applied to extract the analyst's idea of the weights of several factors to select constitutive equations suitable for a target analysis in a model selection support expert system under development for numerical simulation of nuclear thermal-hydraulics; the constitutive equations are ordinary introduced in a liquid-vapor two-phase flow analysis. Furthermore, an algorithm by applying the graph theory is shown to evaluate covering condition to obtain the weights from incomplete pairwise comparisons.

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