Patent Document ID: 7917483
Application ID: 10832757

Base Claim:
1. A computer implemented method for adaptive feedback ensuring timeliness of a collection of web pages, the method comprising: extracting a uniform resource locator (URL) from a search result; and determining whether or not a web page corresponding to the URL is present in whole or in part in the collection, wherein: when the web page is determined to be present in the collection, downloading and replacing the web page in the collection in accordance with a first probability, wherein the first probability depends on an age of the web page in the collection; and when the web page is determined not to be present in the collection, downloading and including the web page in the collection, further includes extracting hyperlinks from the web page corresponding to the URL and downloading the web pages corresponding to the hyperlinks each with a second probability, wherein the second probability depends on the number of hyperlinks in the web page.

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Claim 3:
3. The method as in claim 1 , wherein the web pages are indexed in a document index.