STATISTICAL SPELL CHECKER
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United States of America Patent
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N/A
Issued Date -
Nov 8, 2012
app pub date -
May 2, 2011
filing date -
May 2, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods, systems, and computer media implement a statistical spell checker for extracting suggested spell-check candidates for a query containing an unrecognized word. Vocabulary statistics are maintained, including recording a plurality of adjacent word sequences found in a document corpus. When a user query is received that contains a word not in the vocabulary database, i.e., an unrecognized word, the vocabulary statistics are consulted to find word sequences containing the same preceding word and/or succeeding word. The found word sequences may be returned in order based upon the conditional probability that given the recognized preceding and/or succeeding word(s), the unrecognized word is meant to be the suggested spell-checked word.
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