We review the use on ontologies for the integration of heterogeneous information sources.
Based on an in-depth evaluation of existing approaches to this problem we discuss how …

The large-scale and almost ubiquitous availability of information has become as much of a
curse as it is a blessing. The more information is available, the harder it is to locate any …

A decade ago Tim Berners-Lee proposed an extraordinary vision: despite the phenomenal
success of the Web, it would not, and could not, reach its full potential unless it became a …

ONTOFUSION is an ontology-based system designed for biomedical database integration. It
is based on two processes: map** and unification. Map** is a semi-automated process …

In current spatial data infrastructures (SDIs), it is still often difficult to effectively exchange or
re-use geographic data sets. A main reason for this is semantic heterogeneity, which occurs …

The Semantic Web o? ers new options for information processes. Dr. Visser is dealing with
twocore issuesin this area: the integrationofdata onthe sem-tic level and the problem of …

In last decades, semantic databases (SDB) emerge and become operational databases,
since the major vendors provide semantic supports in their products. This is mainly due to …

In this paper, we describe OntoFusion, a database integration system. This system has been
designed to provide unified access to multiple, heterogeneous biological and medical data …

Data are central to scientific research and practices. The advance of experiment methods
and information retrieval technologies leads to explosive growth of scientific data and …

We present a new approach, which proposes to minimize the numerous problems existing in
order to have fully interoperable GIS. We discuss the existence of these heterogeneity …