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...
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 ...
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...
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...
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...