Patent · US Active

Information retrieval system, method, and program

US7818173B2 · kind B2 · utility

1Cited by
0References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 21, 2005
Grant dateOct 19, 2010
Priority date
Expiry dateDec 24, 2028

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F16/3332
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An information retrieval system, includes speech recognition means for making speech recognition for a spoken question to generate first text information, generation means for modifying the first text information to generate second text information as a interrogative to make a search for an answer to the question, and search means for searching the answer from a document database by using the second text information.

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