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» Mapping Properties of Heterogeneous Ontologies
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2003
13 years 9 months ago
Semantic Caching in Ontology-based Mediator Systems
: The integration of heterogenous web sources is still a big challenge. One approach to deal with integration problems is the usage of domain knowledge in form of vocabularies or o...
Marcel Karnstedt, Kai-Uwe Sattler, Ingolf Geist, H...
ICIP
2003
IEEE
14 years 9 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...
JISBD
2003
13 years 9 months ago
Coupling the ontology layer with the resource layer: a rule-based approach
Abstract. Ontology languages are being proposed to provide machine-understandable descriptions of resources that permit easy location of these resource. Content managers can also b...
Jon Iturrioz, Oscar Díaz, Sergio Fern&aacut...
AO
2005
75views more  AO 2005»
13 years 7 months ago
A multi-layered ontology for comparing relationship semantics in conceptual models of databases
Relationships are an integral part of the design of a database. Comparing and integrating relationships from heterogeneous databases requires that the relationships be mapped to ea...
Sandeep Purao, Veda C. Storey
MTSR
2007
Springer
14 years 2 months ago
Creating and Querying an Integrated Ontology for Molecular and Phenotypic Cereals Data
In this paper we describe the development of an ontology of molecular and phenotypic cereals data, realized by integrating existing public web databases with the database developed...
Sonia Bergamaschi, Antonio Sala 0002