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:
Feb. 26, 2013
Filed:
Jun. 10, 2011
Jun Wu, Saratoga, CA (US);
Tang Xi Liu, Beijing, CN;
Feng Hong, Shanghai, CN;
Yong-gang Wang, Beijing, CN;
BO Yang, Beijing, CN;
Lei Zhang, Beijing, CN;
Jun Wu, Saratoga, CA (US);
Tang Xi Liu, Beijing, CN;
Feng Hong, Shanghai, CN;
Yong-Gang Wang, Beijing, CN;
Bo Yang, Beijing, CN;
Lei Zhang, Beijing, CN;
Google Inc., Mountain View, CA (US);
Abstract
Methods, systems, and apparatus, including computer program products, to identify topic words in a collection of documents that includes topic documents related to a topic are disclosed. A reference topic word divergence value based on a document collection and the topic document collection is determined. A candidate topic word divergence value for a candidate topic word is determined based on the document collection and the topic document collection. The candidate topic word is determined to be a topic word if the candidate topic word divergence value is greater than the reference topic word divergence value.