Because widely used real-world ontologies are often complex and large, one crucial
challenge has emerged: designing tools for users to focus on sub-ontologies corresponding …

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 …

Building an error-free and high-quality ontology in OWL (Web Ontology Language)---the
latest standard ontology language endorsed by the World Wide Web Consortium---is not an …

To give concise explanations for a conclusion obtained by reasoning over ontologies,
justifications have been proposed as minimal subsets of an ontology that entail the given …

The growing demand for well-modeled ontologies in diverse application areas increases the
need for intuitive interaction techniques that support human domain experts in ontology …

The framework developed in this paper can deal with scenarios where selected sub-
ontologies of a large ontology are offered as views to users, based on criteria like the user's …

Sub-Ontology extraction, from a large ontology, leads to the generation of a specialized
knowledge model that is pertinent to specific problems. Existing sub-ontology extraction …

Accessing data through ontologies expressed in Description Logics (DL) is important for the
realization of the Semantic Web. DL-LiteA, member of the DL-Lite family of DLs, is …

Finding justifications for an entailment is one of the major missions in the field of ontology
research. Recent advances on finding justifications wrt the light-weight description logics …

An increasing number of ontologies of large sizes have been developed and made
available in repositories such as the NCBO Bioportal. Ensuring access to the most relevant …