| 摘要 |
PROBLEM TO BE SOLVED: To provide a precise processing of similar sentence selection for a sentence having a complicated structure. SOLUTION: A similar sentence selection device 1 for selecting a sentence similar to a search sentence from a set of sentences subject to similarity determination executes a step of receiving an input of sentences subject to similarity determination, a step of receiving an input of a search sentence, a step of segmenting the search sentence and subject sentences from a sentence to phrases, a step of integrating the segmented phrases into sentence fragments, a step of calculating similarities between the sentence fragments, a step of selecting the sentences that have the sentence fragments most similar to the sentence fragments forming the search sentence as similar sentences, and a step of outputting the similar sentences. In the step of integrating segmented phrases into sentence fragments, each sentence fragment is a set of phrases having a subject-predicate relation or modifier-modificand relation. COPYRIGHT: (C)2005,JPO&NCIPI
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