306 search results - page 19 / 62 » Data Exchange: Semantics and Query Answering |
OTM
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. In P2P data management systems, semantic interoperability between any two peers that do not share the same ontology relyes on ontology matching. The established correspon...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
CIKM
2010
Springer
13 years 9 months ago
2010
Springer
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
IPTPS
2005
Springer
14 years 4 months ago
2005
Springer
— We propose here an analysis of a rich dataset which gives an exhaustive and dynamic view of the exchanges processed in a running eDonkey system. We focus on correlation in term...
KDD
1994
ACM
14 years 3 months ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...