Semantic search by means of word sense disambiguation using a lexicon
US9317589B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 7, 2008 |
| Grant date | Apr 19, 2016 |
| Priority date | — |
| Expiry date | Aug 11, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/3344
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Techniques are disclosed for analyzing a “context window” of a search query to determine a semantic meaning of a search word and to filter search results based upon the semantic meaning. Generally, a lexicon may be used to store forms, meanings, and usages of words and phrases. When a user specifies a query, a semantic analyzer obtains all of the word senses for a search word. The semantic analyzer applies lexical analysis techniques to the search word and context window to obtain a total score for each word sense and selects the word sense with the highest total score. After query results such as documents containing the search words are obtained, the semantic analyzer applies lexical analysis techniques to filter the results so that only documents which use the search terms, according to the selected word sense are returned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.