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Database search device, database search system, database search method, program and storage medium

  • US 6,928,437 B2
  • Filed: 05/15/2002
  • Issued: 08/09/2005
  • Est. Priority Date: 05/15/2001
  • Status: Active Grant
First Claim
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1. A database search device for accessing a database that stores sequence patterns and inquiring whether the sequence patterns stored in the database exist in a predetermined sequence, the device comprising:

  • a sequence processing section for inputting an original search sequence, dividing the original search sequence into multiple subsequences, adding dummy subsequences, and adding and overlapping the subsequences and the dummy subsequences to create a query sequence and hide the original search sequence;

    a query issuing section for issuing a query to said database using said created query sequence; and

    an information extracting section for receiving and analyzing a response to the query issued from the query issuing section, and extracting and outputting information corresponding to search results for the original sequence.

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