Publisher Summary This chapter discusses description logics (DLs), which are a family of
logic-based knowledge representation languages that can be used to represent the …

Semantic Web Mining aims at combining the two fast-developing research areas Semantic
Web and Web Mining. This survey analyzes the convergence of trends from both areas …

Few funded research projects in computer science go on for decades. It's even questionable
whether any project should be sustained that long. Nevertheless, the Protégé project at …

We present the OWL API, a high level Application Programming Interface (API) for working
with OWL ontologies. The OWL API is closely aligned with the OWL 2 structural specification …

Ontological Engineering refers to the set of activities that concern the ontology development
process, the ontology life cycle, the methods and methodologies for building ontologies, and …

In this paper we review and compare the main methodologies, tools and languages for
building ontologies that have been reported in the literature, as well as the main …

Handbook of Knowledge Representation describes the essential foundations of Knowledge
Representation, which lies at the core of Artificial Intelligence (AI). The book provides an up …

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 …

The vision of a Semantic Web has recently drawn considerable attention, both from
academia and industry. Description logics are often named as one of the tools that can …

An important objective of the Semantic Web is to make Electronic Commerce interactions
more flexible and automated. To achieve this, standardization of ontologies, message …