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STOC
1993
ACM
13 years 11 months ago
1993
ACM
Let B be a set of n arbitrary possibly intersecting convex obstacles in Rd. It is shown that any two points which can be connected by a path avoiding the obstacles can also be c...
VLDB
1993
ACM
13 years 10 months ago
1993
ACM
Object-oriented databases are a recent and important development and many studies of them have been performed. These consider aspects such as data modeling, query languages, perfo...
VLDB
1993
ACM
13 years 10 months ago
1993
ACM
Mb describe the design and implementation of a constraint management facility for our active object-oriented database system called Jasmine/A. The facility includes integrity cons...
VLDB
1993
ACM
13 years 10 months ago
1993
ACM
Two phase commit (ZPC) ia used to coordinate the commitment of trunsactiom in distributed systems. The standard 2PC optimization is the presumed abort variant, which wea fewer mes...
VLDB
1993
ACM
13 years 10 months ago
1993
ACM
In this paper, we carefully explore the assumptions behind using information capacity equivalence as a measure of correctness for judging transformed schemas in schema integration...