Systems and methods for processing natural language queries

  • US 7,720,674 B2
  • Filed: 06/29/2004
  • Issued: 05/18/2010
  • Est. Priority Date: 06/29/2004
  • Status: Active Grant
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First Claim
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1. A method for processing natural language queries comprising:

  • obtaining a natural language query from a user;

    generating at least one semantic token from the natural language query;

    identifying data in a knowledge base using the at least one semantic token;

    interpreting the identified data based on an intention associated with the user, wherein the intention is expressed in a personalized policy, and wherein interpreting the identified data comprises;

    recognizing an uncertainty in the natural language query, wherein the uncertainty comprises at least one of;

    a lack of identified data in the knowledge base;

    the natural language query including a series of dependent commands without information associated with a sequence of the commands; and

    the identified data including a plurality of conceptually similar elements that relate to a generated semantic token; and

    resolving the uncertainty based on the user intention, wherein resolving the uncertainty comprises;

    establishing the personalized policy for the user;

    applying the personalized policy in conjunction with contextual data obtained from the user to resolve the uncertainty, the contextual data comprising data relating to the user'"'"'s location and sensor data;

    receiving feedback from the user relating to the application of the personalized policy; and

    re-configuring the personalized policy based on the feedback; and

    actuating the interpreted data.

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