Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yukihiro Matsubara0
Yasuko Yamauchi0
Yoko Yamamoto0
Yoshitaka Hayashi0
Hisaki Yokogawa0
Ichiro Hashimoto0
Kazuko Hayashi0
Tetsunari Kawaguchi0
Date of Patent
April 17, 2007
0Patent Application Number
100795440
Date Filed
February 22, 2002
0Patent Primary Examiner
Patent abstract
A portal site providing machine 20 obtains web pages provided by websites A–E at regular time intervals, and compares the latest web pages with the old web pages obtained last time. Then, the item-by-item comparison is made between the latest and old web pages to determine the degree of updating of the contents. The portal site providing machine 20 provides a portal page which contains images representing respective sites A–E with corresponding size and arrangement according to the degrees of updating.
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