Lossy index compression
US7356527B2 · kind B2 · utility
38Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2001 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Jul 16, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99942
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and method is provided for pruning an index of a corpus of text documents by creating an inverted index of terms appearing in the documents, wherein the index includes postings of the terms in the documents, ranking the postings in the index, and pruning from the index the postings below a given level in the ranking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.