| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an extraction rule creation system for efficiently creating a rule for extracting information requested by a user. <P>SOLUTION: When a text with tag and character string position information being information showing the position of a character string in the text with tag are applied, an extraction rule creation means 82 combines a word or tag corresponding to position shown by the character string position information with words or tags before and after the word or tag, and creates an extraction rule being a rule for extracting information from the text with tag. An adequate sentence position information extraction means 83 extracts adequate sentence position information being information showing the position of an adequate sentence including the word or the tag adequate to the extraction rule by text with tag stored in a text with tag storage means 81. An evaluation value calculation means 84 calculates an evaluation value higher according as the number of adequate sentences appearing in one text with tag becomes smaller, and calculates the evaluation value higher according as the adequate sentence appears more in texts with tag. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
