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Method and apparatus for creating a language model and kana-kanji conversion

  • US 8,744,833 B2
  • Filed: 06/23/2006
  • Issued: 06/03/2014
  • Est. Priority Date: 06/24/2005
  • Status: Active Grant
First Claim
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1. A computer-readable storage medium having computer-executable instructions stored thereon for creating a language model and performing Kana-Kanji conversion, wherein the computer-executable instructions cause a computer that executes the instructions to:

  • receive a Kana character string;

    divide the Kana character string into substrings and generate Kanji candidates for each substring;

    obtain a plurality of trigram probabilities of Kanji candidates;

    determine whether any of the plurality of trigram probabilities is above a first threshold and select a Kanji candidate if a trigram probability is above the first threshold;

    when it is determined none of the plurality of trigram probabilities is above the first threshold;

    obtain a plurality of bigram probabilities of Kanji candidates; and

    determine whether any of the plurality of bigram probabilities is above a second threshold and select a Kanji candidate if a bigram probability is above the second threshold;

    when it is determined none of the plurality of bigram probabilities is above the second threshold;

    select a Kanji candidate based on cluster bigram probabilities of the Kanji candidates, wherein at least one cluster in the cluster bigram probabilities includes combining the same Kanji-Kana pairs with different parts-of-speech; and

    display the selected Kanji candidates based on an order of precedence.

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