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DOOD
1997
Springer
155views Database» more  DOOD 1997»
15 years 8 months ago
Incremental Updates for Materialized OQL Views
Abstract. This work discusses the CROQUE approach to the maintenance problem for materialized views. In a CROQUE database, application-speci ed collections (type extents or classes...
Dieter Gluche, Torsten Grust, Christof Mainberger,...
TAPSOFT
1997
Springer
15 years 8 months ago
Inclusion Constraints over Non-empty Sets of Trees
Abstract. We present a new constraint system called INES. Its constraints are conjunctions of inclusions t1 t2 between rst-order terms (without set operators) which are interpreted...
Martin Müller, Joachim Niehren, Andreas Podel...
TAPSOFT
1997
Springer
15 years 8 months ago
On the Complexity of Function Pointer May-Alias Analysis
This paper considers the complexity of interprocedural function pointer may-alias analysis, i.e., determining the set of functions that a function pointer (in a language such as C...
Robert Muth, Saumya K. Debray
VLDB
1993
ACM
121views Database» more  VLDB 1993»
15 years 8 months ago
Integrity Constraint and Rule Maintenance in Temporal Deductive Knowledge Bases
The enforcement of semantic integrity constraints in data and knowledge bases constitutea a major performance bottleneck. Integrity constraint simplification methods aim at reduci...
Dimitris Plexousakis
CONCUR
1990
Springer
15 years 8 months ago
A Temporal Calculus of Communicating Systems
In this paper we describe the calculus TCCS, an extension of the process algebra CCS with temporal constructs. The calculus is useful for the formal analysis of the timing aspects...
Faron Moller, Chris M. N. Tofts