Signal processing approach to sentiment analysis for entities in documents
US8725494B2 · kind B2 · utility
2Cited by
9References
20Claims
0Family size
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Key dates
| Filing date | Mar 31, 2010 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Mar 13, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F40/30
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A document can be processed to provide sentiment values for phrases in the document. The sequence of sentiment values associated with the sequence of phrases in a document can be handled as if they were a sampled discrete time signal. For phrases which have been identified as entities, a filtering operation can be applied to the sequence of sentiment values around each entity to determine a sentiment value for the entity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.