The combined efforts of human volunteers have recently extracted numerous facts from Wikipedia, storing them as machine-harvestable object-attribute-value triples in Wikipedia inf...
To solve this problem, we devised the HS-bitmap index, which is hierarchically comprised of compressed data of summary bits. A summary bit in an upper matrix is obtained by logical...
As the data and ontology layers of the Semantic Web stack have achieved a certain level of maturity in standard recommendations such as RDF and OWL, the current focus lies on two ...
ReAgents are remotely executing agents that customize Web browsing for non-standard resource-limited clients. A reAgent is essentially a "one-shot" mobile agent that act...
This paper presents a design methodology that deals with the presentation aspects involved in the development of a Semantic Web Information System. The methodology is driven by tw...
Flavius Frasincar, Geert-Jan Houben, Peter Barna, ...