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» Logical Semantics of Modularisation
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DEXAW
2006
IEEE
126views Database» more  DEXAW 2006»
16 years 17 days ago
Consistent Query Answering: Opportunities and Limitations
This paper briefly reviews the recent literature on consistent query answering, an approach to handle database inconsistency in a systematic and logical manner based on the notio...
Jan Chomicki
FM
2003
Springer
139views Formal Methods» more  FM 2003»
15 years 11 months ago
Combining Real-Time Model-Checking and Fault Tree Analysis
We present a semantics for fault tree analysis, a technique used for the analysis of safety critical systems, in the real-time interval logic Duration Calculus with Liveness and sh...
Andreas Schäfer
RSCTC
2000
Springer
113views Fuzzy Logic» more  RSCTC 2000»
15 years 10 months ago
Approximation of Information Granule Sets
The aim of the paper is to present basic notions related to granular computing, namely the information granule syntax and semantics as well as the inclusion and closeness (similari...
Andrzej Skowron, Jaroslaw Stepaniuk, James F. Pete...
DLOG
2008
15 years 8 months ago
Essential and Mandatory Part-Whole Relations in Conceptual Data Models
A recurring problem in conceptual modelling and ontology development is the representation of part-whole relations, with a requirement to be able to distinguish between essential a...
Alessandro Artale, C. Maria Keet
OWLED
2008
15 years 8 months ago
Conjunctive Query Answering in EL using a Database System
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
Carsten Lutz, David Toman, Frank Wolter