Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
Abstract. Researchers have recently begun to develop and investigate policy languages to describe trust and security requirements on the Semantic Web. Such policies will be one com...
Wolfgang Nejdl, Daniel Olmedilla, Marianne Winslet...
We present here the execution model of a policy-driven middleware for building secure distributed collaboration systems from their high level specifications. Our specification m...
Anand R. Tripathi, Tanvir Ahmed, Richa Kumar, Shre...
Shared Care is the common answer to the challenge for improving health system's quality and efficiency. This development must be accompanied by implementing shared care infor...
- Internet is a place nowadays where interoperating services are offered which can be integrated or mashed up in order to fulfill user demands. This paper proposes a way to offer v...
Pedro Rodriguez, Daniel Gallego, Javier Cervino, F...