We introduce TOQL, a query language for querying time information in ontologies. TOQL is a high level query language that handles ontologies almost like relational databases. Queri...
Evdoxios Baratis, Euripides G. M. Petrakis, Sotiri...
Abstract. The proliferation of group-centric computing and communication motivates the need for mechanisms to provide group access control. Group access control includes mechanisms...
Abstract--In this paper we present the design, implementation, and performance analysis of Group-Aided Multicast (GAM), a scalable many-tomany reliable multicast transport protocol...
This paper presents a language in which information flow is securely controlled by a type system, yet the security class of data can vary dynamically. Information flow policies ...
Open MASs can be extremely dynamic due to heterogeneous agents that migrate among them to obtain resources or services not found locally. In order to prevent malicious actions and...