In this paper we present query filtering techniques based on bottom-up tree automata for XML access control. In our authorization model (RXACL), RDF statements are used to represen...
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
Service matchmaking is an important process in the operation of Service-Oriented Architecture (SOA) based systems. In this process, information from both service providers and req...
Integration of version and access control of XML documents has the benefit of regulating access to rapidly growing archives of XML documents. Versioned XML documents provide us w...
: Nowadays many organisations share sensitive services through open network systems and this raises the need for an authorization framework that can interoperate even when the part...
Uche M. Mbanaso, G. S. Cooper, David W. Chadwick, ...