The Semantic Web languages RDFS and OWL have been around for some time now. However, the presence of these languages has not brought the breakthrough of the Semantic Web the creat...
Axel Polleres, Dieter Fensel, Jos de Bruijn, Rub&e...
This paper presents a difference calculus for determining changes to rule conditions in an active DBMS. The calculus has been used for implementing an algorithm to efficiently mon...
Solid-state disks are currently based on NAND flash and expose a standard disk interface. To accommodate limitations of the medium, solid-state disk implementations avoid rewritin...
We introduce pseudo-naive evaluation, a method for execution of mixed top-down/bottom-up logic programs and deductive databases. The method is intermediate in power between naive ...
Most of today's structured data is stored in relational databases. Such a database consists of multiple relations which are linked together conceptually via entity-relationsh...