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» Complexity of Operations on Cofinite Languages
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DBSEC
2010
152views Database» more  DBSEC 2010»
15 years 21 days ago
Modelling Dynamic Access Control Policies for Web-Based Collaborative Systems
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...
Hasan Qunoo, Mark Ryan
GPCE
2008
Springer
15 years 9 days ago
Typing communicating component assemblages
Building complex component-based software architectures can lead to subtle assemblage errors. In this paper, we introduce a typesystem-based approach to avoid message handling err...
Michael Lienhardt, Alan Schmitt, Jean-Bernard Stef...
ISSAC
2007
Springer
91views Mathematics» more  ISSAC 2007»
15 years 5 months ago
Generation and optimisation of code using coxeter lattice paths
Supercomputing applications usually involve the repeated parallel application of discretized differential operators. Difficulties arise with higher-order discretizations of opera...
Thomas J. Ashby, Anthony D. Kennedy, Stephen M. Wa...
JLP
2006
126views more  JLP 2006»
14 years 11 months ago
Compositional modeling and refinement for hierarchical hybrid systems
In this paper, we develop a theory of modular design and refinement of hierarchical hybrid systems. In particular, we present compositional trace-based semantics for the language ...
Rajeev Alur, Radu Grosu, Insup Lee, Oleg Sokolsky
TPHOL
2002
IEEE
15 years 4 months ago
Type-Theoretic Functional Semantics
We describe the operational and denotational semantics of a small imperative language in type theory with inductive and recursive definitions. The operational semantics is given b...
Yves Bertot, Venanzio Capretta, Kuntal Das Barman