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FORMATS
2003
Springer
15 years 11 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...
CDB
2004
Springer
169views Database» more  CDB 2004»
15 years 11 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»
16 years 26 days 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
GC
2004
Springer
15 years 10 months ago
The SOCS Computational Logic Approach to the Specification and Verification of Agent Societies
This article summarises part of the work done during the first two years of the SOCS project, with respect to the task of modelling interaction amongst CL-based agents. It describe...
Marco Alberti, Federico Chesani, Marco Gavanelli, ...
USS
2008
15 years 8 months ago
Hypervisor Support for Identifying Covertly Executing Binaries
Hypervisors have been proposed as a security tool to defend against malware that subverts the OS kernel. However, hypervisors must deal with the semantic gap between the low-level...
Lionel Litty, H. Andrés Lagar-Cavilla, Davi...