Data clustering system, data clustering method, and data...

Data processing: database and file management or data structures – Database and file access – Preparing data for information retrieval

Reexamination Certificate

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C707S778000

Reexamination Certificate

active

07827179

ABSTRACT:
An object of the present invention is to perform data clustering while preventing the processing speed from decreasing while maintaining accuracy. A block division section3divides a block received from a DB access section2into sufficiently small blocks. A block storage section8stores blocks supplied from the block division section3and hierarchical relationship between the blocks. A block integration section5integrates blocks and groups in the order from a hierarchically deeper position to a shallower position based on the stored hierarchical relationship.

REFERENCES:
patent: 6424746 (2002-07-01), Nishida
patent: 2007/0156401 (2007-07-01), Nagano et al.
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patent: 11-203415 (1999-07-01), None
patent: 2002-183171 (2002-06-01), None
patent: 2003-316796 (2003-11-01), None
patent: 2004-029969 (2004-01-01), None
patent: 2005-128961 (2005-05-01), None
Hernandez, Mauricio A. et al.; “The Merge/Purge Problem for Large Databases”; Department of Computer Science, Columbia Universtiy, New York, NY 10027, published 1995.

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