In the past two decades, the use of ontologies has grown accompanied by a diversity in
ontological representations and applications to more comprehensive domains. Knowledge …

BioPortal is a repository of biomedical ontologies–the largest such repository, with more
than 300 ontologies to date. This set includes ontologies that were developed in OWL, OBO …

Multiple choice questions (MCQs) are considered highly useful (being easy to take or mark)
but quite difficult to create and large numbers are needed to form valid exams and …

With the growth of ontologies used in diverse application areas, the need for module
extraction and modularisation techniques has risen. The notion of the modular structure of …

Although an increasing number of RDF knowledge bases are published, many of those
consist primarily of instance data and lack sophisticated schemata. Having such schemata …

Ontologies are the backbone of the Semantic Web. As a result, the number of existing
ontologies and the number of topics covered by them has increased considerably. With this …

Background Ontologies are widely used throughout the biomedical domain. These
ontologies formally represent the classes and relations assumed to exist within a domain. As …

Ensuring access to the most relevant knowledge contained in large ontologies has been
identified as an important challenge. To this end, minimal modules (sub-ontologies that …

Abstract An Abstraction Network is a compact summary of an ontology's structure and
content. In previous research, we showed that Abstraction Networks support quality …

For ontology reuse and integration, a number of approaches have been devised that aim at
identifying modules, ie, suitably small sets of “relevant” axioms from ontologies. Here we …