Patent · US Expired

Automatic dialog system with database language model

US7424428B2 · kind B2 · utility

29Cited by

13References

11Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Georg Rose · Goldkronach, DE
Juergen Te Vrugt · Aachen, DE

Key dates

Filing date	Jan 8, 2002
Grant date	Sep 9, 2008
Priority date	—
Expiry date	May 4, 2024

Classification

Technology area (CPC G)Physics
CPC primaryG10L15/19
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

An automatic dialog system for spoken inquiries into a database entry which contains several components available for inquiry, wherein speech recognition of a spoken utterance for inquiring into the database entry is supported by a language model which was prepared before a start of the dialog to which the spoken utterance belongs and which models a relative frequency of correlated occurrence of the components of the database entry provided for the inquiry in the spoken utterance of the dialog.

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