The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2007
Filed:
Jan. 17, 2001
Arthur Charles Thomas Huston, Sudbury, MA (US);
Matthew Dennis Haines, Fort Collins, CO (US);
Freeland Knight Abbott, Iii, Arlington, MA (US);
Adam Louis Beguelin, San Mateo, CA (US);
Michael Alexander Chowla, San Carlos, CA (US);
Arthur Charles Thomas Huston, Sudbury, MA (US);
Matthew Dennis Haines, Fort Collins, CO (US);
Freeland Knight Abbott, III, Arlington, MA (US);
Adam Louis Beguelin, San Mateo, CA (US);
Michael Alexander Chowla, San Carlos, CA (US);
Inktomi Corporation, Foster City, CA (US);
Abstract
Content is managed and provided to users over a communications link using a differencing engine. The differencing engine is configured to selectively cause content to be refreshed in a cache. Specifically, the differencing engine is configured to detect whether a more recent version of a data item is available, and if so, delete a current version of the data item from the cache and retrieve and store in the cache the more recent version of the data item. Content is selected for refresh based upon a set of one or more selection criteria. The selection criteria may include, for example, the source of content, the size of content, the age of content, the type of content and users to which the content is being provided.