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PACT
2007
Springer
14 years 1 months ago
A Stochastic Semantics for BioAmbients
We consider BioAmbients, a calculus for specifying biological entities and for simulating and analysing their behaviour. We extend BioAmbients to take quantitative information into...
Linda Brodo, Pierpaolo Degano, Corrado Priami
FORMATS
2003
Springer
14 years 1 months ago
Formal Semantics of Hybrid Chi
Abstract. The verification formalism / modeling and simulation language hybrid Chi is defined. The semantics of hybrid Chi is formally specified using Structured Operational Sem...
Ramon R. H. Schiffelers, D. A. van Beek, Ka L. Man...
KR
1998
Springer
14 years 10 hour ago
Modal Semantics for Knowledge Bases Dealing with Vague Concepts
The paper investigates the characterisation of vague concepts within the framework of modal logic. This work builds on the supervaluation approach of Fine and exploits the idea of...
Brandon Bennett
CDB
2004
Springer
169views Database» more  CDB 2004»
14 years 1 months ago
Semantic Optimization of Preference Queries
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
Jan Chomicki
DASFAA
2008
IEEE
168views Database» more  DASFAA 2008»
14 years 2 months ago
SemanticTwig: A Semantic Approach to Optimize XML Query Processing
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
Zhifeng Bao, Tok Wang Ling, Jiaheng Lu, Bo Chen