55 search results - page 5 / 11 » How to Decide Query Containment Under Constraints Using a De... |
DLOG
2009
13 years 5 months ago
2009
In the current paper we study the reasoning problem for fuzzy SI (f-SI) under arbitrary continuous fuzzy operators. Our work can be seen as an extension of previous works that stud...
CASCON
2004
13 years 8 months ago
2004
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
PVLDB
2010
13 years 5 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
DALT
2005
Springer
14 years 27 days ago
2005
Springer
Developing applications that make effective use of machine-readable knowledge sources as promised by the Semantic Web vision is attracting much of current research interest; this v...
CORR
2004
Springer
13 years 7 months ago
2004
Springer
We present role logic, a notation for describing properties of relational structures in shape analysis, databases, and knowledge bases. We construct role logic using the ideas of ...