| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a difference acquiring device capable of adequately acquiring the difference of a document after updating in response to a tag included in the document. <P>SOLUTION: The difference acquiring device 100 includes: an document input part 101 for inputting an input document 200 composed of the tags and a text and updated at a prescribed timing; a tag removing part 102 for removing the tags other than the previously designated designation tag from the input document 200; a tag name changing part 103 for changing the tag name of the designation tag, included in the document from which the tags are removed by the tag removing part 102, so as to perform discrimination from the designation tag of the precedingly inputted input document; a document storage part 104 for storing the tag change document where the tag name of the designation tag is changed by the tag name changing part 103; a difference extracting part 105 for extracting the difference by comparing the tag change document with the tag change document of the precedingly inputted input document stored in the document storage part 104; and a difference document generating part 106 for generating a difference document 210, based on the extracted difference. <P>COPYRIGHT: (C)2008,JPO&INPIT |
