Performing sentiment analysis on microblogging data, including identifying a new opinion term therein
US9275041B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2011 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Aug 17, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q30/02
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.