| 摘要 |
<P>PROBLEM TO BE SOLVED: To search a document related to a topic, on the basis of situation information. <P>SOLUTION: The document search apparatus 100 includes: a situation related document search part 4 that refers to, when receiving input of situation information, a search index 10 formed by associating the situation information included in a document acquired in advance with the document to search for a situation related document related to the input situation information; a feature word acquiring part 5 that acquires a feature word from the situation related document; a feature word score adding part 6 that adds a score to the feature word, on the basis of a distance between the feature word and the situation information included in the situation related document containing the feature word; a feature word presenting part 7 that presents a plurality of feature words on the basis of the value of the score of the feature word; a feature word input part 8 that inputs one or a plurality of feature word selected from the presented feature words, to a search result presenting part 9; the search result presenting part 9 that presents a situation related document including one or a plurality of feature words provided by the feature word input part 8. <P>COPYRIGHT: (C)2012,JPO&INPIT |
