There are now several billion documents on the World Wide Web (WWW), which are used
by more than 300 million users globally, and millions more pages on corporate intranets …

Summary This chapter introduces Resource Description Framework (RDF), the W3C
recommendation for semantic annotations in the Semantic Web. It will cover the syntax and …

Ontologies are becoming increasingly important because they provide the critical semantic
foundation for many rapidly expanding technologies such as software agents, e-commerce …

RDF Graphs are sets of assertions in the form of subject-predicate-object triples of
information resources. Although for simple examples they can be understood intuitively as …

In traditional software systems, significant attention is devoted to kee** modules well
separated and coherent with respect to functionality, thus ensuring that changes in the …

Abstract The paper presents Ontology Definition Metamodel (ODM) that enables using
Model Driven Architecture (MDA) standards in ontological engineering. Other similar …

Common user-and business-requirements demand an integrated view on the multitude of
available information resources that are processed in a variety of heterogeneous information …