System, method and technique for searching structured databases
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United States of America Patent
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Jul 22, 2008
Grant Date -
Jan 5, 2006
app pub date -
Apr 25, 2005
filing date -
Apr 23, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
Searching a database involves creating an access structure including a first tree data structure having a root node and at least one child node. Each child node is associated with match data corresponding to a data value of a field of a database record. Leaf child nodes of the first tree data structure include a link to another tree data structure in the access structure. Leaf child nodes of a further tree data structure include a link to a database record. The tree structures are traversed and scores are computed for the paths traversed that reflect the level of matching between the match pattern data of the nodes in a path and a search request to identify a database record that best matches the request.
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