Method of identifying the language of a textual passage using short word and/or n-gram comparisons
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United States of America Patent
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Apr 15, 2008
Grant Date -
Jul 14, 2005
app pub date -
Jan 14, 2004
filing date -
Jan 14, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system identifying the language of a textual passage is disclosed. The method and system includes parsing the textual passage into n-grams and assigning an initial weight to each n-gram, and adjusting the weight initially assigned to a word or n-gram parsed from the textual passage. The initially assigned weight is adjusted in a manner proportionate to the inverse of the number of languages within which such words or n-grams appear. Reducing the weight assigned to such words or n-grams diminishes--without completely eliminating--their importance in comparison to other words or n-grams parsed from the same textual passage when determining the language of a passage. The method and system of the present invention appropriately weighs the short words or n-grams common to multiple languages without affecting the short words or n-grams that are uncommon to several languages.
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