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System and method for inferring user intent from speech inputs

  • US 10,176,167 B2
  • Filed: 06/06/2014
  • Issued: 01/08/2019
  • Est. Priority Date: 06/09/2013
  • Status: Active Grant
First Claim
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1. A method for determining, from a text string, a user intent for performing a task, the method comprising:

  • at an electronic device with one or more processors and memory storing one or more programs for execution by the one or more processors;

    providing a text string corresponding to a single speech input, wherein the text string comprises a first portion and a second portion, wherein the second portion is less than the entire text string;

    determining a domain of the text string using natural language processing by applying a first word-matching process to at least the first portion of the text string;

    determining whether the second portion of the text string matches at least one word of a set of words associated with the domain by applying a second word-matching process to the second portion of the text string, wherein the second word-matching process is not applied to the first portion of the text string;

    upon determining that the second portion of the text string matches at least one word of the set of words, determining a user intent from the text string based at least in part on the domain and the at least one word of the set of words;

    applying the determined user intent to determine one or more corresponding tasks; and

    performing, the one or more tasks to satisfy the determined user intent.

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