Patent · US Expired

Dynamic query expansion

US6411950B1 · kind B1 · utility

152Cited by
10References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1998
Grant dateJun 25, 2002
Priority date
Expiry dateNov 30, 2018

Classification

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

Abstract

A dynamic search result refinement for refining a general search query into a more specific search query. For a general search query, a user is presented with a list of more specific queries. The entries in the list selected from a log-file of queries according to the index frequency of each query. The user can choose a new query from the list of more specific queries and run a database search. The user also has the option to be presented with a list of even more specific queries based on the chosen query and to have a database search run with one of these queries.

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