992 search results - page 1 / 199 » Dependencies to Optimize Ontology Based Data Access |
DLOG
2011
12 years 8 months ago
2011
Query answering in Ontology Based Data Access (OBDA) exploits the knowledge of an ontology’s TBox to deal with incompleteness of the ABox (or data source). Current query-answerin...
CAISE
2006
Springer
13 years 8 months ago
2006
Springer
Current algorithms cannot be used optimally in (semi)automatic ontology matching tasks as envisioned by the Semantic Web community, mainly because of the inherent dependency betwee...
RR
2010
Springer
13 years 2 months ago
2010
Springer
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
DEXAW
2004
IEEE
13 years 8 months ago
2004
IEEE
In the past, many attempts have been made to improve the interoperability between different Web-based information systems. In most approaches the remaining problems are still twof...
OWLED
2008
13 years 5 months ago
2008
Abstract. Web portal software is relatively easy to set up and populate from the perspective of the end-user, but it leaves the back-end database devoid of subject domain semantics...