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ICDE
1991
IEEE
13 years 8 months ago
1991
IEEE
— Constraints play an important role in the efficient query evaluation in deductive databases. In this paper, constraint-based query evaluation in deductive databases is investi...
ICDE
1991
IEEE
13 years 8 months ago
1991
IEEE
The maindi culty in enforcing globalserializabilityin a multidatabase environment lies in resolving indirect (transitive) con icts between multidatabase transactions. Indirect con...
ICDE
1991
IEEE
13 years 8 months ago
1991
IEEE
Voting protocols ensure the consistency of replicated objects by requiring all read and write requests to collect an appropriate quorum of replicas. We propose to replace some of ...