Defining a formal domain ontology is generally considered a useful, not to say necessary step in almost every software project. This is because software deals with ideas rather than with self-evident physical artefacts. However, this development step is hardly ever done, as ontologies rely on well-defined and semantically powerful AI concepts...

Since the publication of the first edition of The Description Logic Handbook in 2003, the interest in Description Logics (DL) has steadily increased. This applies both to the number of active DL researchers working on DL theory and implementations of reasoning services, and to the number of applications based on DL technology. One...

There is probably no invention in the history of mankind that had such a profound impact on our lives in such a short time as the World Wide Web. Twenty years ago, Tim Berners-Lee has developed the first versions of HTML which allowed to weave documents into the large hypertext document that we know today. It was soon realized that...

Imagine if you could teach your computer to make decisions that lead to faster B2B trading implementations, more effective customer management, and seamless data warehousing. Now, your imagination can be turned into reality. This authoritative book...

Semantics in Adaptive and Personalised Services, initially strikes one as a specific and perhaps narrow domain. Yet, a closer examination of the term reveals much more. On one hand there is the issue of semantics. Nowadays, this most often refers to the use of OWL, RDF or some other XML based ontology description language in order to...

Taking...