Information search device, information search method, computer program, and data structure
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United States of America Patent
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Sep 22, 2015
Grant Date -
Apr 25, 2013
app pub date -
May 12, 2011
filing date -
May 14, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An information search device includes: a path field generating part that, for each node, generates a path field in which paths with the node as an origin are connected; an index generating part that, for each element configuring graph structure information, generates a posting list as a list of information composed of a node having a path field including the element and location information representing a location where the element appears in the path field, and generates an index repository in which the element and the posting list are associated; a search path generating part that generates a search path representing a search condition; and a searching part that extracts a node having a path field satisfying an appearance sequence of elements included in the search path based on the location information of the posting list.
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