Document search apparatus and method
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United States of America Patent
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Feb 23, 2021
Grant Date -
May 18, 2017
app pub date -
Jan 31, 2017
filing date -
Mar 20, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, a document search apparatus includes the following elements. The query word extraction unit extracts, from an input sentence, a word for use in a search as a query word. The intention estimation unit estimates a search intention based on the input sentence. The query generator acquires, from a search expression list, a search expression corresponding to the estimated search intention, acquires, from an additional query word list, an additional query word corresponding to a set of the acquired search expression and the extracted query word, and generates a query based on the extracted query word, the acquired additional query word, and the acquired search expression. The search unit searches for a document that matches the query.
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