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» On the complexity of stratified logics
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CADE
2007
Springer
15 years 10 months ago
The Heterogeneous Tool Set (Hets)
Abstract. Heterogeneous specification becomes more and more important because complex systems are often specified using multiple viewpoints, involving multiple formalisms. Moreover...
Till Mossakowski, Christian Maeder, Klaus Lüt...
CDB
2004
Springer
158views Database» more  CDB 2004»
15 years 10 months ago
Constraint Databases, Data Structures and Efficient Query Evaluation
Abstract. Constraint databases that can be described by boolean combinations of polynomial inequalities over the reals have received ample research attention. In particular, the ex...
Joos Heintz, Bart Kuijpers
KR
2000
Springer
15 years 10 months ago
Finding Admissible and Preferred Arguments Can be Very Hard
Bondarenko et al. have recently proposed an extension of the argumentation-theoretic semantics of admissible and preferred arguments, originally proposed for logic programming onl...
Yannis Dimopoulos, Bernhard Nebel, Francesca Toni
AAAI
2008
15 years 8 months ago
Prime Implicate Normal Form for ALC Concepts
In this paper, we present a normal form for concept expressions in the description logic ALC which is based on a recently introduced notion of prime implicate for the modal logic ...
Meghyn Bienvenu
BDA
2004
15 years 8 months ago
A new way of optimizing OLAP queries
For around 10 years, the academic research in database has attempted to define a commonly agreed logical modeling for the multidimensional and hierarchical nature of data manipulat...
Arnaud Giacometti, Dominique Laurent, Patrick Marc...