To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
Robert McCann, Bedoor K. AlShebli, Quoc Le, Hoa Ng...
Security design at architecture level is critical to achieve high assurance software systems. However, most security design techniques for software architectures were in ad hoc fa...
Huiqun Yu, Dongmei Liu, Xudong He, Li Yang, Shu Ga...
The Domain Name System (DNS) is the global lookup service for network resources. To protect DNS information, the DNS Security Extensions (DNSSEC) have been developed and deployed ...
A Grid system is a Virtual Organization that is composed of several autonomous domains. Authorization in such a system needs to be flexible and scalable to support multiple securi...
Bo Lang, Ian T. Foster, Frank Siebenlist, Rachana ...
Security policies are rules that constrain the behaviour of a system. Different, largely unrelated sets of rules typically govern the physical and logical worlds. However, increa...
Pieter H. Hartel, Pascal van Eck, Sandro Etalle, R...