239 search results - page 24 / 48 » A Rule System for Querying Persistent RDFS Data |
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
Accurate topical categorization of user queries allows for increased effectiveness, efficiency, and revenue potential in general-purpose web search systems. Such categorization be...
SEMWEB
2010
Springer
13 years 5 months ago
2010
Springer
We develop query relaxation techniques for regular path queries and combine them with query approximation in order to support flexible querying of RDF data when the user lacks know...
IDEAS
2009
IEEE
14 years 2 months ago
2009
IEEE
RDFKB (Resource Description Framework Knowledge Base) is a relational database system for RDF datasets which supports inference and knowledge management. Significant research has ...
DPD
1998
13 years 7 months ago
1998
To meet users’ growing needs for accessing pre-existing heterogeneous databases, a multidatabase system (MDBS) integrating multiple databases has attracted many researchers recen...