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.:

US 7865354 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 04, 2011

Filed:

Dec. 05, 2003
Applicants:

Krishna Prasad Chitrapura, New Delhi, IN;

Sumit Negi, New Delhi, IN;

Shourya Roy, New Delhi, IN;

Inventors:

Krishna Prasad Chitrapura, New Delhi, IN;

Sumit Negi, New Delhi, IN;

Shourya Roy, New Delhi, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

Opinions about a topic are extracted from a corpus of text documents. Opinions are extracted based on rules defining regular expressions for parts-of-speech tags. Opinions are grouped based on their semantic orientation as favorable, unfavorable or neutral. A balanced and accurate assessment of sentiment towards a topic can thus be determined.


Find Patent Forward Citations

Chitrapura, Krishna. (2011). Extracting and grouping opinions from text documents (U.S. Patent No. 7865354). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7865354

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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