| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To make unnecessary a center for white list management/certification. <P>SOLUTION: An enterprise name extracting part 15 extracts an enterprise name from mail 3, and prepares an acquisition enterprise list 16. A URL analyzing part 12 extracts URL from the mail 3. A link enterprise name analyzing part 17 extracts an enterprise name deeply relating to the URL from among the extracted enterprise names included in the acquisition enterprise name list 16 from each extracted URL and a positional relation in the mail, and records it in a link enterprise name list 18. A Web site acquiring/analyzing part 21 operates retrieval based on the enterprise name included in the acquisition enterprise name list 16, and extracts the top page URL of the enterprise as the retrieval result and the URL in an extent followed from the URL as the white list of the legal sites of the enterprise, and registers it in a white list 22. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
