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The aim of ollr study is to develop a creativity support system which uses aIlalog ． ical reasoIling ． We adop し patent docunLeIlts for extractiIlg base knowledgc iIl analog − ical reasoning ')n the system because patent docunlents have the following featuresl

We applied analogical reasoning to causal relationship to generate hypotheses, and verified the hypotheses, as a basic study to develop a creativity support system. Causal relationships used in the present study have been extracted from patent documents of the field of pharmacy in our previous work, and consist of a term of method and a term of effect. Analogical reasoning is performed by replacing the term of the causal relationships with another similar term. Two hundred and twenty seven hypotheses are generated with analogical reasoning using the following 3 causal relationships; wound healing by peptide; anti-inflammatory by Magnolia bark; infection protecting activities by lactoferrin. As a result of verification of the 227 hypotheses by Life Science Dictionary, 91 hypotheses are appropriate as analogical reasoning. Furthermore, we verified 9 hypotheses among the 91 hypotheses with PubMed Central and PubMed, and found that 8 hypotheses have been reported in the literature. These results show that the hypotheses generated by analogical reasoning in the study are effective. patent documents, causal relationship, analogical reasoning, similarity, life sciences 論文

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