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AI
2000
Springer
15 years 11 months ago
On the Integration of Recursive ALN-Theories
Abstract. In this paper we focus on the problem of integrating knowledge bases expressed in a description logic. To this end, we propose three basic operations: union, intersection...
Aida Vitória, Margarida Mamede
VLDB
1994
ACM
133views Database» more  VLDB 1994»
15 years 10 months ago
Composite Events for Active Databases: Semantics, Contexts and Detection
Making a database system active entails developing an expressive event specification language with well-defined semantics, algorithms for the detection of composite events, and an...
Sharma Chakravarthy, V. Krishnaprasad, Eman Anwar,...
BIRTHDAY
1991
Springer
15 years 10 months ago
Modal Logic Should Say More Than It Does
First-order modal logics, as traditionally formulated, are not expressive enough. It is this that is behind the difficulties in formulating a good analog of Herbrand’s Theorem, ...
Melvin Fitting
EDOC
2008
IEEE
15 years 8 months ago
Runtime Monitoring of Message-Based Workflows with Data
We present an algorithm for the runtime monitoring of business process properties with data parameterization. The properties are expressed in LTL-FO+ , an extension to traditional...
Sylvain Hallé, Roger Villemaire
FAC
2006
104views more  FAC 2006»
15 years 6 months ago
Angelic nondeterminism in the unifying theories of programming
Hoare and He's unifying theories of programming (UTP) is a model of alphabetised relations expressed as predicates; it supports development in several programming paradigms. T...
Ana Cavalcanti, Jim Woodcock, Steve Dunne