Retrieval system for frequently updated data distributed on network
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United States of America Patent
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Aug 3, 1999
Grant Date -
N/A
app pub date -
Sep 10, 1997
filing date -
Sep 17, 1996
priority date (Note) -
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Abstract
A retrieval system for performing database retrieval in response to a retrieval request includes a database preparing means for collecting corresponding data to prepare a database under at least a condition that an update frequency range of data serving as a target for index table generation is uniquely assigned to the database, and an update frequency of data falls within the assigned update frequency range, or a mean update frequency of a data group to which the data belongs falls within the assigned update frequency range.
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