Bit strings search apparatus, search method, and program
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United States of America Patent
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Apr 24, 2012
Grant Date -
Mar 17, 2011
app pub date -
Nov 17, 2010
filing date -
May 18, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Using a tree configuration wherein node groups of four or more nodes composed of combinations of branch nodes, leaf nodes or empty nodes are linked into a tree form, a bit string search by a search key string is enabled by repeatedly linking to one of the nodes of a node group to which a primary node belongs in response to the bit values of keys of the search key string at the discrimination bit position included in the branch node.
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