We study the problem of reasoning over weighted ontologies. We assume that every axiom is labeled with an element of a distributive lattice (called its weight) and try to compute i...
Relation Based Access Control (RelBAC) is an access control model designed for the new scenarios of access control on Web 2.0. Under this model, we discuss in this paper how to for...
Abstract There are various techniques for specifying a module of an ontology that covers all knowledge about a given set of terms. These differ with respect to the size of the modu...
Ulrike Sattler, Thomas Schneider 0002, Michael Zak...