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» Composition of Model Programs
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CCS
2008
ACM
15 years 8 months ago
Assessing query privileges via safe and efficient permission composition
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
TCS
2008
15 years 6 months ago
Compositional semantics and behavioral equivalences for P Systems
The aim of the paper is to give a compositional semantics in the style of the Structural Operational Semantics (SOS) and to study behavioral equivalence notions for P Systems. Fir...
Roberto Barbuti, Andrea Maggiolo-Schettini, Paolo ...
TSC
2010
182views more  TSC 2010»
15 years 1 months ago
A Query Rewriting Approach for Web Service Composition
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...
Mahmoud Barhamgi, Djamal Benslimane, Brahim Medjah...
SEFM
2005
IEEE
16 years 6 hour ago
A Synchronous Process Calculus for Service Costs
We present a process calculus where synchronous composition is the central algebraic notion; equivalences between processes via bisimilarity or trace can be studied quite simply i...
Siva Anantharaman, Jing Chen, Gaétan Hains
DEDS
1998
82views more  DEDS 1998»
15 years 6 months ago
Synthesis and Viability of Minimally Interventive Legal Controllers for Hybrid Systems
In this paper, we study the control of Composite Hybrid Machines (CHMs) subject to safety speci cations. CHMs are a fairly general class of hybrid systems modeled in modular fashi...
Michael Heymann, Feng Lin, George Meyer