96 search results - page 3 / 20 » Complexity of the Stable Model Semantics for Queries on Inco... |
PODS
2008
ACM
14 years 5 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
DEXAW
2007
IEEE
13 years 12 months ago
2007
IEEE
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...
SAC
2009
ACM
13 years 10 months ago
2009
ACM
The Semantic Web and its technologies become increasingly important. As more and more Semantic Web applications are being used, developing more stable Semantic Web applications be...
LPNMR
1997
Springer
13 years 9 months ago
1997
Springer
Turi [20] introduced the important notion of a constrained atom: an atom with associated equality and disequality constraints on its arguments. A set of constrained atoms is a cons...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Incorporating probabilities into the semantics of incomplete databases has posed many challenges, forcing systems to sacrifice modeling power, scalability, or treatment of relatio...