| 摘要 |
PROBLEM TO BE SOLVED: To detect and notify an update of a webpage or folder shared by peer-to-peer groupware in the background. SOLUTION: When a registration processing part 24 acquires a webpage on the Internet to be shared among a plurality of devices, the URL and update time of the webpage are registered in a Web update management table 36, and actual data are registered in a cache memory 40. An update detection part 26, at an idle time of processing, acquires the update time of the webpage registered in the Web update management table 36, and compares it with the update time in the Web update management table 36 to detect an update of the webpage if the times are different. A cache update part 28 acquires actual data on the update-detected webpage, and updates the cache memory 40. An update display part 30 displays the result of webpage update detection. COPYRIGHT: (C)2004,JPO&NCIPI
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