Patent · US Expired

Relevance normalization for documents retrieved from an information retrieval system in response to a query

US5640553A · kind A · utility

231Cited by
5References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 15, 1995
Grant dateJun 17, 1997
Priority date
Expiry dateSep 15, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S707/99935
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method for searching a database of an information retrieval system in response to a query having a query length of at least one word, for applying the query word to the database and selecting information from the database according to the query word. The query is received and the length of the query is determined. Information is selected from the database according to the query. The relevance of the selected information is determined according to matches between the query and the information. The determined relevance of the selected information is adjusted according to the length of the query.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.