Abstract. This case study applies techniques of formal program development by specification refinement and composition to the problem of concurrent garbage collection. The speci...
We outline DL-Media, an ontology mediated multimedia information retrieval system, which combines logic-based retrieval with multimedia featurebased similarity retrieval. An ontolo...
Abstract. In this paper a semantic approach for the specification and the management of databases with evolving schemata is introduced. It is shown how a general object-oriented m...
Abstract. A brief overview is given of recent results on theory revision with queries for propositional formulas, such as monotone and unate DNF, Horn formulas, read-once formulas,...
Abstract. Safety systems for railways have shifted from electronic relays to more computer-oriented approaches. This article highlights the language EURIS from NS Railinfrabeheer, ...
Fokko van Dijk, Wan Fokkink, Gea Kolk, Paul van de...