Apparatus and method for analysis of language model changes

Patent metadata

Field	Value
Publication number	US-2015073791-A1
Application number	US-201414541694-A
Country	US
Kind code	A1
Filing date	Nov 14, 2014
Priority date	Mar 21, 2005
Publication date	Mar 12, 2015
Grant date	—

Abstract

An apparatus, a method, and a machine-readable medium are provided for characterizing differences between two language models. A group of utterances from each of a group of time domains are examined. One of a significant word change or a significant word class change within the plurality of utterances is determined. A first cluster of utterances including a word or a word class corresponding to the one of the significant word change or the significant word class change is generated from the utterances. A second cluster of utterances not including the word or the word class corresponding to the one of the significant word change or the significant word class change is generated from the utterances.

First claim

We claim:

1 . A method comprising:
selecting a plurality of language models; and for each time period of a plurality of time periods:
identifying a first utterance and a second utterance received during each time period, wherein the first utterance was recognized using a first language model of the plurality of language models and the second utterance was recognized using a second language model of the plurality of language models;
identifying distinctions between the first…

Assignees

• At & T Ip Ii Lp

Inventors

• Gorin Allen Louis
• Grothendieck John
• Wright Jeremy Huntley Greet

Classifications

• G10L15/183 Primary

  Physics · mapped topic

• G10L25/51

  Physics · mapped topic

• G10L15/18

  Physics · mapped topic