54 search results - page 2 / 11 » Logical Foundations of Multilevel Databases |
TODS
2002
13 years 4 months ago
2002
ICDT
2009
ACM
14 years 2 days ago
2009
ACM
A formal semantics of uncertain databases typically takes an algebraic approach by mapping an uncertain database to a set of relational databases, or possible worlds. We present a...
FUIN
2007
13 years 5 months ago
2007
We give formulations for modal deductive databases and present a modal query language called MDatalog. We define modal relational algebras and give the seminaive evaluation algor...
SEMWEB
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. An important open question in the semantic Web is the precise relationship between the RDF(S) semantics and the semantics of standard knowledge representation formalisms ...
PODS
2004
ACM
14 years 5 months ago
2004
ACM
The Semantic Web is based on the idea of adding more machine-readable semantics to web information via annotations written in a language called the Resource Description Framework ...