Tripwire is an open source and commercial product providing document integrity checking since 2000

This is a copy of the Jan. 30, 2006 version of the web page describing the Watchlist feature in Wikipedia. Because it was published on the web site more than one year before the application's filing date, it is a 102(b) reference.

An Internet access apparatus and a method for notifying of a Web page update.... stores access information regarding at least one Web page selected by a user and checks the update condition .. at predetermined update monitoring periods.... If ...updated, the apparatus informs the user ... Based on the user's selection, the apparatus provides easy access to the updated Web page by using corresponding access information... user can be easily aware of update of Web pages of interest without having to manually checking ...

....the invention is an update notification device and method for repeatedly accessing at least one Web site identifiable with a preset address and outputting a notification message including the presence or absence of the update to the outside if any web page has been updated in the Web site. In this case, updated data is extracted from the updated Web page, and, in outputting, one or both of the title of the updated data and the updated data and the address of the Web page are added to the notification message.