| 摘要 |
PURPOSE:To remove a matching processing between the dictionaries and to reduce storage capacity by unitarily managing an analysis dictionary and a retrieval dictionary. CONSTITUTION:A dictionary 13d provided with attribute information including a document identifier and with data for morpheme analysis in accordance with a headword, a morpheme analysis part 13c extracting a word by referring to the dictionary 13d from a designated document, a registration part 13b registering the document identifier into the document attribute column of the headword in the dictionary 13d, which corresponds to the extracted word, and a retrieval part 13a retrieving the document identifier including the headword by referring to the headword of the dictionary 13d from the designated word are provided. |
