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» Practical Reasoning for Expressive Description Logics
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75
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SEMWEB
2004
Springer
15 years 2 months ago
Query Answering for OWL-DL with Rules
Both OWL-DL and function-free Horn rules3 are decidable logics with interesting, yet orthogonal expressive power: from the rules perspective, OWL-DL is restricted to tree-like rule...
Boris Motik, Ulrike Sattler, Rudi Studer
DLOG
2007
14 years 11 months ago
A New Mapping from ALCI to ALC
Abstract. This paper studies a technique for mapping ALCI knowledge bases into ALC. Worst-case optimal tableau-based procedures for the satisfiability/consistency problem w.r.t. g...
Yu Ding, Volker Haarslev, Jiewen Wu
121
Voted
DLOG
2011
14 years 1 months ago
Query Answering over SROIQ Knowledge Bases with SPARQL
W3C currently extends the SPARQL query language with so-called entailment regimes, which define how queries are evaluated using logical entailment relations. We describe a sound a...
Ilianna Kollia, Birte Glimm, Ian Horrocks
PODS
2010
ACM
197views Database» more  PODS 2010»
14 years 9 months ago
When data dependencies over SQL tables meet the logics of paradox and S-3
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
Sven Hartmann, Sebastian Link
OWLED
2008
14 years 11 months ago
Characterizing and Detecting Integrity Issues in OWL Instance Data
We view OWL instance data evaluation as a process in which instance data is checked for conformance with application requirements. We previously identified some integrity issues ra...
Jiao Tao, Li Ding, Jie Bao, Deborah L. McGuinness