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WCE
2007
15 years 3 months ago
Qualitative and Quantitative Criteria for the Concept Evaluation Task
act—Ontological concept evaluation is a difficult task. Till now, it is done either by domain expert or a knowledge base (thesaurus, ontology, etc.). In this research, we propose...
Lobna Karoui, Supelec France, Nabil El-Kadhi
ISCI
2007
151views more  ISCI 2007»
15 years 1 months ago
Enriching the ER model based on discovered association rules
The entity–relationship (ER) model, a powerful means for business and data modeling, needs to be enriched with new semantics as the real world changes and its understanding impr...
Guoqing Chen, Ming Ren, Peng Yan, Xunhua Guo
KR
2004
Springer
15 years 7 months ago
A Logic of Limited Belief for Reasoning with Disjunctive Information
The goal of producing a general purpose, semantically motivated, and computationally tractable deductive reasoning service remains surprisingly elusive. By and large, approaches t...
Yongmei Liu, Gerhard Lakemeyer, Hector J. Levesque
SSD
1993
Springer
237views Database» more  SSD 1993»
15 years 6 months ago
A Small Set of Formal Topological Relationships Suitable for End-User Interaction
Topological relationships between spatial objects represent important knowledge that users of geographic information systems expect to retrieve from a spatial database. A di cult t...
Eliseo Clementini, Paolino Di Felice, Peter van Oo...
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WWW
2010
ACM
15 years 9 months ago
Mind the data skew: distributed inferencing by speeddating in elastic regions
Semantic Web data exhibits very skewed frequency distributions among terms. Efficient large-scale distributed reasoning methods should maintain load-balance in the face of such hi...
Spyros Kotoulas, Eyal Oren, Frank van Harmelen