116 search results - page 3 / 24 » Query Answering for OWL-DL with Rules |
CORR
2010
Springer
13 years 3 days ago
2010
Springer
Matching dependencies were recently introduced as declarative rules for data cleaning and entity resolution. Enforcing a matching dependency on a database instance identifies the ...
ISMIS
2000
Springer
13 years 8 months ago
2000
Springer
Abstract. The conventional use of databases is commonly restricted to the retrieval of factual data in the form of tuples or records. However most databases also contain metadata i...
AMW
2010
13 years 6 months ago
2010
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
PADL
2010
Springer
14 years 2 months ago
2010
Springer
Abstract. Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rule...
FQAS
2009
Springer
13 years 11 months ago
2009
Springer
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...