| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To realize retrieval with retrieval conditions specified by semantic-related notation between sentence elements such as words and phrases and concepts prescribed by the semantic-relation. <P>SOLUTION: A management server 30 which manages database of documents of a prescribed language includes a syntax analysis part 32 which executes syntax analysis of documents using document data 60, grammar information, and vocabulary information of the languages; an index making part 34 which outputs indexes showing each description position and hierarchy depth of tags, words and attributes of the tags by associating tags granted to the words etc. equivalent to the predicate in a sentence and tags granted phrases etc. that become paragraphs with attributes, while granting prescribed tags in which attributes corresponding to the sentences in the documents, and phrases and words included in the sentences based on the result of the syntax analysis; and an index holding part 35 which holds outputted indexes for every document data 60. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
