Semantic and text matching techniques for network search
US8112436B2 · kind B2 · utility
5Cited by
1References
33Claims
0Family size
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Key dates
| Filing date | Sep 21, 2009 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Aug 11, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/9538
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, access a search query comprising one or more query words, at least one of the query words representing one or more query concepts; access a network document identified for a search query by a search engine, the network document comprising one or more document words, at least one of the document words representing one or more document concepts; semantic-text match the search query and the network document to determine one or more negative semantic-text matches; and construct one or more negative features based on the negative semantic-text matches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.