Telco services are evolving under several aspects: for instance, services may combine different telecommunication features (messaging, multi-media, etc.) and may be activated and...
Maria Grazia Buscemi, Laura Ferrari, Corrado Moiso...
Abstract. We present a framework for designing and composing services in a secure manner. Services can enforce security policies locally, and can invoke other services in a “call...
Massimo Bartoletti, Pierpaolo Degano, Gian Luigi F...
Abstract. This paper investigates an approach to substitution alternative to the implicit treatment of the λ-calculus and the explicit treatment of explicit substitution calculi. ...
Service-based systems have many applications, including collaborative research and development, e-business, health care, environmental control, military applications, and homeland...
Stephen S. Yau, Hasan Davulcu, Supratik Mukhopadhy...
We consider unranked trees, that have become an active subject of study recently due to XML applications, and characterize commonly used fragments of firstorder (FO) and monadic ...