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» Learning Ontologies for the Semantic Web
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SEBD
2007
148views Database» more  SEBD 2007»
14 years 11 months ago
Containment of Conjunctive Object Meta-Queries
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
Andrea Calì, Michael Kifer
AVI
2008
14 years 11 months ago
Query-through-drilldown: data-oriented extensional queries
Traditional database query formulation is intensional: at the level of schemas, table and column names. Previous work has shown that filters can be created using a query paradigm ...
Alan J. Dix, Damon Oram
ISF
2006
161views more  ISF 2006»
14 years 9 months ago
Capturing and reusing knowledge in engineering change management: A case of automobile development
The development of complex products, such as automobiles, involves engineering changes that frequently require redesigning or altering the products. Although it has been found that...
Hong Joo Lee, Hyung Jun Ahn, Jong Woo Kim, Sung Jo...
SEMWEB
2010
Springer
14 years 7 months ago
Optimizing Enterprise-Scale OWL 2 RL Reasoning in a Relational Database System
OWL 2 RL was standardized as a less expressive but scalable subset of OWL 2 that allows a forward-chaining implementation. However, building an enterprise-scale forward-chaining ba...
Vladimir Kolovski, Zhe Wu, George Eadon
GI
2009
Springer
14 years 7 months ago
A Static Analysis Technique to Detect Unsatisfiable Conditions in Ontology-based Workflows
: Static analysis techniques for consistency checking of workflows allow to avoid runtime errors. This is in particular crucial for long running workflows where errors, detected la...
Gabriele Weiler, Arnd Poetzsch-Heffter, Stephan Ki...