698 search results - page 119 / 140 » Auditing SQL Queries |
ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
— Information Systems are subject to a perpetual evolution, which is particularly pressing in Web Information Systems, due to their distributed and often collaborative nature. Su...
ICTAI
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Snapshot isolation (SI) provides significantly improved concurrency over 2PL, allowing reads to be non-blocking. Unfortunately, it can also lead to non-serializable executions in ...
SIGMOD
2001
ACM
15 years 10 months ago
2001
ACM
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
SOSP
2007
ACM
15 years 6 months ago
2007
ACM
This paper describes the design, implementation, and evaluation of a replication scheme to handle Byzantine faults in transaction processing database systems. The scheme compares ...