To guarantee the security of computer systems, it is necessary to define security permissions to restrict the access to the systems’ resources. These permissions rely on certai...
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
Both Topic Maps and RDF are popular semantic web standards designed for machine processing of web documents. Since these representations were originally created for different purpo...
is a mechanism for abstraction and encapsulation of languages. It aims to make the best support on the definition and implementation of new languages, especially DSLs (Domain Spec...
With computer systems becoming ever larger and more complex, the cost and effort associated with their construction is increasing and the systems are now sufficiently complex that...