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» Comparing Representations of Geographic Knowledge Expressed ...
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FLAIRS
2000
13 years 8 months ago
Graph-Based Hierarchical Conceptual Clustering
Hierarchical conceptual clustering has been proven to be a useful data mining technique. Graph-based representation of structural information has been shown to be successful in kn...
Istvan Jonyer, Lawrence B. Holder, Diane J. Cook
SEMWEB
2005
Springer
14 years 29 days ago
Modeling Degrees of Conceptual Overlap in Semantic Web Ontologies
Information retrieval systems have to deal with uncertain knowledge and query results should reflect this uncertainty in some manner. However, Semantic Web ontologies are based on...
Markus Holi, Eero Hyvönen
ICCS
2003
Springer
14 years 21 days ago
A Semantic Search Approach by Graph Matching with Negations and Inferences
Research on semantic search has become heated these years. In this paper we propose an approach focusing on searching for resources with descriptions. The knowledge representation ...
Kewei Tu, Jing Lu, Haiping Zhu, Guowei Liu, Yong Y...
SPATIALCOGNITION
2000
Springer
13 years 11 months ago
Modelling Navigational Knowledge by Route Graphs
Navigation has always been an interdisciplinary topic of research, because mobile agents of different types are inevitably faced with similar navigational problems. Therefore, huma...
Steffen Werner, Bernd Krieg-Brückner, Theo He...
KCAP
2003
ACM
14 years 22 days ago
Using transformations to improve semantic matching
Many AI tasks require determining whether two knowledge representations encode the same knowledge. Solving this matching problem is hard because representations may encode the sam...
Peter Z. Yeh, Bruce W. Porter, Ken Barker