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» QOM - Quick Ontology Mapping
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ICIP
2003
IEEE
15 years 11 months ago
An ontology approach to object-based image retrieval
In this paper, an image retrieval methodology suited for search in large collections of heterogeneous images is presented. The proposed approach employs a fully unsupervised segme...
Vasileios Mezaris, Ioannis Kompatsiaris, Michael G...
IDEAS
2005
IEEE
93views Database» more  IDEAS 2005»
15 years 3 months ago
Semantic Query Transformation Using Ontologies
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
Chokri Ben Necib, Johann Christoph Freytag
EKAW
2006
Springer
15 years 1 months ago
Distributed Multi-contextual Ontology Evolution - A Step Towards Semantic Autonomy
In today's world there is a need for knowledge infrastructures that can support several autonomous knowledge bases all using different ontologies and constantly adapting thes...
Maciej Zurawski
DLOG
2007
15 years 3 days ago
OntoVQL: A Graphical Query Language for OWL Ontologies
The database usability experience has shown that visual query languages tend to be superior to textual languages in many aspects. By applying this principle in the context of ontol...
Amineh Fadhil, Volker Haarslev
MIE
2008
136views Healthcare» more  MIE 2008»
14 years 11 months ago
Enhancing Knowledge Representations by Ontological Relations
Several medical natural language processing (NLP) systems currently base on ontologies that provide the domain knowledge. But, relationships between concepts defined in ontologies ...
Kerstin Denecke