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AAI
2010
108views more  AAI 2010»
15 years 2 months ago
Augmenting Subsumption Propagation in Distributed Description Logics
Distributed Description Logics (DDL) enable reasoning with multiple ontologies interconnected by directional semantic mapping, called bridge rules. Bridge rules map concepts of a s...
Martin Homola, Luciano Serafini
MMS
2008
15 years 1 months ago
Semantic interactive image retrieval combining visual and conceptual content description
We address the challenge of semantic gap reduction for image retrieval through an improved SVM-based active relevance feedback framework, together with a hybrid visual and concept...
Marin Ferecatu, Nozha Boujemaa, Michel Crucianu
DLOG
2008
15 years 4 months ago
Realization Problem for Formal Concept Analysis
Formal Concept Analysis (FCA) is an approach to knowledge engineering, representation, and analysis. A `standard' FCA-workflow starts with some `experimental' data, class...
Nikolay Shilov
DLOG
2004
15 years 3 months ago
Using Non-Primitive Concept Definitions for Improving DL-based Knowledge Bases
Medical Terminological Knowledge Bases contain a large number of primitive concept definitions. This is due to the large number of natural kinds that are represented, and due to t...
Ronald Cornet, Ameen Abu-Hanna
GISCIENCE
2004
Springer
101views GIS» more  GISCIENCE 2004»
15 years 7 months ago
Modeling Surface Hydrology Concepts with Endurance and Perdurance
Abstract. Integration of GIS and hydrologic models has been a common approach for monitoring our ever-changing hydrologic system. One important issue in adapting such an approach i...
Chen-Chieh Feng, Thomas Bittner, Douglas M. Flewel...