Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2005-08-09
2005-08-09
Wassum, Luke S (Department: 2167)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000
Reexamination Certificate
active
06928437
ABSTRACT:
A method is provided for allowing a database search that prevents an owner of the database or someone intercepting the database search in the network from knowing the contents of the query, without requiring any particular processing on the part of the database. Client20accesses database server10which stores sequence patterns and inquires whether the sequence patterns stored in the database server10exist in a predetermined sequence. Client20comprises sequence processing section21for dividing a search sequence subjected to search to create multiple subsequences; and query issuing section22for issuing a query to database server10using the created multiple subsequences individually as a query sequence.
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Kashima Hisashi
Shibuya Tetsuo
Goldman Richard M.
International Business Machines Corp.
Rayyan Susan
Wassum Luke S
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