This paper shows how relational databases can be used to define a bridging mechanism
between relational database and OWL ontology. We demonstrate on a simple yet …

We present a RDB2OWL map** specification language that is aimed at presenting RDB-
to-RDF/OWL map**s possibly involving advanced correspondences between the …

Nowadays, more and more issues need to be considered when implementing tools for
domain specific languages with an orientation to the business process management. It is not …

Intuitive ontology visualization is a key for their learning, exchange, as well as their usage in
conceptual modeling and semantic database schema design. OWLGrEd is a visual tool for …

In this paper a sequence of model transformation languages L0, L1, L2 is defined. The first
language L0 is very simple, and for this language it is easy to build an efficient compiler to …

In this paper we show how semantic web technologies are used in a real application in the
domain of national medical databases where an important technological gap between the …

Two years ago we presented a unified conception of “Semantic Latvia” which would make it
possible for a small country like Latvia to take advantage of the emerging Semantic Web …

Ontologies are widely proposed for solving semantic interoperability problems in e-
government domain. However, less attention is paid on methodological issues of ontology …

In this paper a family of model transformation languages L1, L2, and L3 following the
language L0 is introduced. The first language L0, not being part of this paper, is very simple …

We describe a relational database semantic re-engineering technology and the tools that
are available for its implementation. The semantic re-engineering technological process …