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.

Date of Patent:
Mar. 01, 2016

Filed:

Oct. 24, 2011
Applicants:

Riddhiman Ghosh, Sunnyvale, CA (US);

Lei Zhang, Chicago, IL (US);

Mohamed E. Dekhil, Santa Clara, CA (US);

Bing Liu, Winnetka, IL (US);

Inventors:

Riddhiman Ghosh, Sunnyvale, CA (US);

Lei Zhang, Chicago, IL (US);

Mohamed E. Dekhil, Santa Clara, CA (US);

Bing Liu, Winnetka, IL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/27 (2006.01); G06F 17/30 (2006.01); G06Q 30/02 (2012.01); G06N 99/00 (2010.01);
U.S. Cl.
CPC ...
G06F 17/2785 (2013.01); G06F 17/3071 (2013.01); G06N 99/005 (2013.01); G06Q 30/02 (2013.01);
Abstract

There is provided a computer-implemented method of performing sentiment analysis. An exemplary method comprises performing a first sentiment analysis on microblogging data based on a method using an opinion lexicon. The method also includes training a classifier using training data from the first sentiment analysis. Additionally, the method includes identifying a new opinion term in the microblogging data by performing a statistical test. The new opinion terms are not in the opinion lexicon. The method also includes identifying new microblogging data based on the new opinion term. Further, the method includes performing a second sentiment analysis on the new microblogging data using the classifier.


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