Diverse topic phrase extraction
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United States of America Patent
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Oct 2, 2012
Grant Date -
Aug 28, 2008
app pub date -
Sep 21, 2007
filing date -
Feb 22, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods for implementing diverse topic phrase extraction are disclosed. According to one implementation, multiple word candidate phrases are extracted from a corpus and weighed. One or more documents are re-weighed to identify less obvious candidate topics using latent semantic analysis (LSA). Phrase diversification is then used to remove redundancy and select informative and distinct topic phrases.
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