726 search results - page 20 / 146 » Extended Query Answering Using Integrity Rules |
VLDB
2003
ACM
14 years 8 months ago
2003
ACM
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...
CASCON
2004
13 years 10 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...
RR
2007
Springer
14 years 2 months ago
2007
Springer
This paper presents an extension to the Semantic Web Rule Language and a methodology to enable advanced mathematical support in SWRL rules. This solution separates mathematical and...
ESWS
2009
Springer
14 years 3 months ago
2009
Springer
We consider the problem of a user querying semistructured data such as RDF without knowing its structure. In these circumstances, it is helpful if the querying system can perform a...
ESWS
2010
Springer
13 years 10 months ago
2010
Springer
Abstract. Description Logic Programs (DL-programs) have been introduced to combine ontological and rule-based reasoning in the context of the Semantic Web. A DL-program loosely com...