254 search results - page 21 / 51 » Perspectives on ontology-based querying |
CAISE
2006
Springer
13 years 11 months ago
2006
Springer
The role of ontologies in knowledge base systems is gradually increasing. Along with the growth of Internet based applications and ecommerce, the need for easy interoperability bet...
KES
2008
Springer
13 years 7 months ago
2008
Springer
This paper describes the experience of introducing a service for semantic bookmarking and search in the Earth Observation (EO) domain. To perform the work reported such a service h...
COMAD
2009
13 years 8 months ago
2009
Stream grids are wide-area grid computing environments that are fed by a set of stream data sources. Such grids are becoming more wide-spread due to the large scale deployment of ...
28
Voted
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
SEMWEB
2004
Springer
14 years 29 days ago
2004
Springer
Both OWL-DL and function-free Horn rules3 are decidable logics with interesting, yet orthogonal expressive power: from the rules perspective, OWL-DL is restricted to tree-like rule...