SEARCH APPARATUS, SEARCH METHOD, SEARCH PROGRAM, AND RECORDING MEDIUM
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United States of America Patent
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Jun 11, 2015
app pub date -
Dec 28, 2011
filing date -
Dec 28, 2011
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Abstract
A search apparatus divides a plurality of keywords specified as a search condition into two child search conditions, each of which includes at least one keyword. The search apparatus searches for search objects that match all the keywords included in one of the child search conditions and search objects that match all the keywords included in the other of the child search conditions. The search apparatus extracts combinations of search objects having predetermined relationship to each other from among combinations of any one of search objects found by the one of the child search conditions and any one of search objects found by the other of the child search conditions.
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