Browsing by Subject "virtual machining"
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Item An Agent-based Infrastructure for Enterprise Integration(IEEE, 1999-10-03) Cost, R. Scott; Finin, Tim; Labrou, Yannis; Luan, Xiaocheng; Peng, Yun; Soboroff, Ian; Mayfield, James; Boughannam, AkramJackal is a Java-based tool for communication using the KQML agent communication language. Some features that make it extremely valuable to agent development are its conversation management facilities, flexible, blackboard style interface and ease of integration. Jackal has been developed in support of an investigation of the use of agents in enterprise-wide integration of planning and execution for manufacturing. This paper describes Jackal at a surface and design level, and demonstrates its use in a multiagent system that supports intelligent integration of enterprise planning and execution.Item Authorization and Privacy for Semantic Web Services(IEEE, 2004-07-01) Kagal, Lalana; Paoucci, Massimo; Srinivasan, Naveen; Denker, Grit; Finin, Tim; Sycara, KatiaWhen choosing, composing, invoking or monitoring a service it may be important or even critical to understand it's security attributes and policies. By security, we refer to a range of related aspects including authentication, authorization, confidentiality and privacy. We discuss how to incorporate security information into the OWL-S Semantic Web service model by integrating descriptions of semantically rich policies for authorization, privacy and confidentiality. These policies can include conditions on attributes of the service requester, provider, and the general context. We describe the ontologies used to annotate OWL-S input and output parameters with respect to their security characteristics, including various types of encryption and digital signatures. We present an algorithm for testing policy compliance that can be integrated into the service selection process of the OWL-S MatchMaker. This integration allows the requester to invoke only those services that match the formers policies and whose policies are met by the requester.