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Understanding spoken location information based on intersections

  • US 7,983,913 B2
  • Filed: 07/31/2007
  • Issued: 07/19/2011
  • Est. Priority Date: 07/31/2007
  • Status: Active Grant
First Claim
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1. A system for recognizing location information input by a user, the location information including an intersection of streets, the system comprising:

  • a grammar having a street grammar component that maps various different pronunciations of street names to semantic tags;

    a recognition system configured to receive the location information input, access the grammar, and generate a street name recognition hypothesis with associated semantic tags;

    an intersection data store storing a plurality of valid street intersections, each street intersection having street names of intersecting streets;

    a tokenization component configured to receive the street name recognition hypothesis and the associated semantic tags and to generate, for each of the associated semantic tags, a tokenized query having phonemes that are labeled with a digits position;

    a search component configured to search the intersection data store based on the tokenized queries and output at least one recognized intersection result identifying a street intersection recognized from the location information input by the user; and

    wherein the phonemes are labeled with a “

    100”

    for a 100'"'"'s place, with a “

    10”

    for a 10'"'"'s place, with a “

    1”

    for a 1'"'"'s place, and with a “

    0”

    for an ordinal suffix.

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