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» Constraints over Ontologies
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APWEB
2009
Springer
14 years 26 days ago
Ontology Evaluation through Text Classification
We present a new method to evaluate a search ontology, which relies on mapping ontology instances to textual documents. On the basis of this mapping, we evaluate the adequacy of on...
Yael Dahan Netzer, David Gabay, Meni Adler, Yoav G...
ER
2010
Springer
168views Database» more  ER 2010»
13 years 7 months ago
Complexity of Reasoning over Temporal Data Models
Abstract. We investigate the computational complexity of reasoning over temporal extensions of conceptual data models. The temporal conceptual models we analyse include the standar...
Alessandro Artale, Roman Kontchakov, Vladislav Ryz...
ESWS
2005
Springer
14 years 2 months ago
Pedro Ontology Services: A Framework for Rapid Ontology Markup
Semantic Web technologies offer the possibility of increased accuracy and completeness in search and retrieval operations. In recent years, curators of data resources have begun f...
Kevin L. Garwood, Phillip W. Lord, Helen Parkinson...
FLAIRS
2007
13 years 11 months ago
Maintaining Arc-Consistency over Mutex Relations in Planning Graphs during Search
We deal with the search process of the GraphPlan algorithm in this paper. We concentrate on a problem of finding supports for a sub-goal which arises during the search. We model t...
Pavel Surynek, Roman Barták
AAAI
2004
13 years 10 months ago
QUICKXPLAIN: Preferred Explanations and Relaxations for Over-Constrained Problems
Over-constrained problems can have an exponential number of conflicts, which explain the failure, and an exponential number of relaxations, which restore the consistency. A user o...
Ulrich Junker