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PADL
2010
Springer
15 years 9 months ago
Implementing Query Answering for Hybrid MKNF Knowledge Bases
Abstract. Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rule...
Ana Sofia Gomes, José Júlio Alferes,...
121
Voted
COMBINATORICS
2006
124views more  COMBINATORICS 2006»
15 years 16 days ago
A Hybrid of Darboux's Method and Singularity Analysis in Combinatorial Asymptotics
A "hybrid method", dedicated to asymptotic coefficient extraction in combinatorial generating functions, is presented, which combines Darboux's method and singulari...
Philippe Flajolet, Éric Fusy, Xavier Gourdo...
CAV
2004
Springer
93views Hardware» more  CAV 2004»
15 years 5 months ago
Symbolic Parametric Safety Analysis of Linear Hybrid Systems with BDD-Like Data-Structures
—We introduce a new BDD-like data structure called Hybrid-Restriction Diagrams (HRDs) for the representation and manipulation of linear hybrid automata (LHA) state-spaces and pre...
Farn Wang
CAV
2008
Springer
161views Hardware» more  CAV 2008»
15 years 2 months ago
Constraint-Based Approach for Analysis of Hybrid Systems
Abstract. This paper presents a constraint-based technique for discovering a rich class of inductive invariants (boolean combinations of polynomial inequalities of bounded degree) ...
Sumit Gulwani, Ashish Tiwari
98
Voted
AMAST
1998
Springer
15 years 4 months ago
Type Analysis for CHIP
Abstract. This paper proposes a tool to support reasoning about (partial) correctness of constraint logic programs. The tool infers a speci cation that approximates the semantics o...
Wlodzimierz Drabent, Pawel Pietrzak