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» Anomalies in ontologies with rules
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IEEEARES
2008
IEEE
14 years 1 months ago
Context Ontology for Secure Interoperability
During interoperability exchanges, organizations are jointly conducting computation and sharing tasks. However, organizations can have different security policies. To guarantee g...
Céline Coma, Nora Cuppens-Boulahia, Fr&eacu...
IDEAS
2005
IEEE
93views Database» more  IDEAS 2005»
14 years 1 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
COOPIS
2003
IEEE
14 years 21 days ago
Ontology Based Query Processing in Database Management Systems
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
Chokri Ben Necib, Johann Christoph Freytag
ICADL
2003
Springer
159views Education» more  ICADL 2003»
14 years 19 days ago
Ontology Learning for Medical Digital Libraries
Ontologies play an important role in the Semantic Web as well as in digital library and knowledge portal applications. This project seeks to develop an automatic method to enrich e...
Chew-Hung Lee, Jin-Cheon Na, Christopher S. G. Kho...
MIE
2008
136views Healthcare» more  MIE 2008»
13 years 8 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