Key phrase extraction from query logs
US7577643B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2006 |
| Grant date | Aug 18, 2009 |
| Priority date | — |
| Expiry date | Jun 8, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99942
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, media and data structure for extraction of key-phrase-content pairs are provided. Query logs having user queries and corresponding web results are processed to generate a content-to-key phrase index that includes key phrases. The query logs are filtered and key phrases are derived from the queries included in the query logs. The key phrases are aggregated based on a repeated content pages in the web results. User behavior and metadata is used to assign scores for each key phrase. The scores are utilized to rank the key phrases. Among other things, the key phrases can be used for advertisement to content matching and content summarization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.