Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2007-06-05
2007-06-05
Alam, Shahid Al (Department: 2162)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C707S793000, C707S793000, C709S226000
Reexamination Certificate
active
11121825
ABSTRACT:
Various systems and methods are describe for determining dynamically generated content to be invalidated as a result of changes to underlying data. In one method, invalidation processing is performed using a delayed version of the database that reflects the state of the database at the beginning of a preceding processing cycle, and an update log that reflects all updates since the beginning of the preceding processing cycle. In another method, invalidation processing is performed by locking a database which is locked during processing so as to reflect the state of the database at the beginning of processing, and an update log that reflects all updates to the database since the beginning of the preceding processing cycle. In another method, invalidation processing uses the database while it is freely updated during said processing, and the update log of the database.
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Agrawal Divyakant
Candan Kasim Selcuk
Li Wen-Syan
Al Alam Shahid
Foley & Lardner LLP
NEC Corporation
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