412 search results - page 23 / 83 » Aggregate queries over ontologies |
ADBIS
2007
Springer
14 years 4 months ago
2007
Springer
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
EDBTW
2006
Springer
14 years 1 months ago
2006
Springer
Several query languages have been proposed for managing data streams in modern monitoring applications. Continuous queries expressed in these languages usually employ windowing con...
BTW
2011
Springer
13 years 1 months ago
2011
Springer
Abstract: The rise of the Web 2.0 has made content publishing easier than ever. Yesterday’s passive consumers are now active users who generate and contribute new data to the web...
INLG
2010
Springer
13 years 8 months ago
2010
Springer
Ontologies and datasets for the Semantic Web are encoded in OWL formalisms that are not easily comprehended by people. To make ontologies accessible to human domain experts, sever...
JSC
2010
13 years 8 months ago
2010
We study the problem of deciding whether two ontologies are inseparable w.r.t. a signature Σ, i.e., whether they have the same consequences in the signature Σ. A special case is...