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. 02, 2013
Filed:
Dec. 08, 2011
Manas Ashok Pathak, Pittsburgh, PA (US);
Richard Chow, Sunnyvale, CA (US);
Runting Shi, San Jose, CA (US);
Cong Wang, Chicago, IL (US);
Manas Ashok Pathak, Pittsburgh, PA (US);
Richard Chow, Sunnyvale, CA (US);
Runting Shi, San Jose, CA (US);
Cong Wang, Chicago, IL (US);
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Abstract
A recommender system can generate a predicted item rating for one user by performing collaborative filtering on item ratings from other users. The recommender system can include a client device that interfaces with a server to obtain a predicted item rating for a local user. The client device can generate a standardized ratings vector for the user, and computes a group identifier for the user based on the standardized ratings vector. The system also generates a noisy ratings vector for the local user, and sends a user-ratings snapshot to a recommendation server that includes the group identifier and the noisy ratings vector. The recommender system can also include the recommendation server that generates a predicted item rating for the user by performing collaborative filtering on ratings vectors from a plurality of other users that belong to the same ratings group.