9642 search results - page 1558 / 1929 » Semantics in Multimedia Systems |
ERCIMDL
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. In this paper we present an approach to question answering over heterogeneous knowledge sources that makes use of different ontology management components within the sce...
ICCSA
2007
Springer
15 years 5 months ago
2007
Springer
Information Extraction (IE) is an important research field within the Artificial Intelligence community, for it tries to extract relevant information out of vast amounts of data....
ICDT
2007
ACM
15 years 5 months ago
2007
ACM
Abstract. Information concerning the origin of data (that is, its provenance) is important in many areas, especially scientific recordkeeping. Currently, provenance information mu...
ICDT
2007
ACM
15 years 5 months ago
2007
ACM
In this paper, we introduce preferential regular path queries. These are regular path queries whose symbols are annotated with preference weights for “scaling” up or down the i...
KI
2007
Springer
15 years 5 months ago
2007
Springer
The W3C standard OWL provides a decidable language for representing ontologies. While its use is rapidly spreading, efforts are being made by researchers worldwide to augment OWL ...