726 search results - page 55 / 146 » Extended Query Answering Using Integrity Rules |
SEMWEB
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. We extend our recent work on evaluating incomplete reasoners by introducing strict testing bases. We show how they can be used in practice to identify ontologies and quer...
ESOP
2008
Springer
13 years 10 months ago
2008
Springer
Abstract. XML database query languages such as XQuery employ regular expression types with structural subtyping. Subtyping systems typically have two presentations, which should be...
FQAS
2006
Springer
14 years 11 days ago
2006
Springer
Action rules introduced in [12] and extended further to e-action rules [21] have been investigated in [22], [13], [20]. They assume that attributes in a database are divided into t...
EDBTW
2010
Springer
14 years 16 hour ago
2010
Springer
Business Intelligence (BI) applications allow their users to query, understand, and analyze existing data within their organizations in order to acquire useful knowledge, thus mak...
ICDT
2012
ACM
11 years 11 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...