As part of the Service Oriented Computing (SOC), Service Oriented Architecture (SOA) is a technology that has been developing for almost a decade and during this time there have been published many studies, papers and surveys that are referring to the advantages of projects using it. In this...

The concept of “smart city†has attracted considerable attention lately. Still, common definitions are hard to find, and there is a lack of formal models to guide their design. This paper introduces the architecture of Event-driven Smart City, the kind of city where digital artifacts...

SweetDeal is a rule-based approach to representation of business contracts that enables software agents to create, evaluate, negotiate, and execute contracts with substantial automation and modularity. It builds upon the situated courteous logic programs knowledge representation in RuleML, the...