Description logics (DLs) have a long tradition in computer science and knowledge
representation, being designed so that domain knowledge can be described and so that …

Abstract Information systems have to deal with an increasing amount of data that is
heterogeneous, unstructured, or incomplete. In order to align and complete data, systems …

We present YAGO, a light-weight and extensible ontology with high coverage and quality.
YAGO builds on entities and relations and currently contains more than 1 million entities and …

A few years after Google announced that their 'Knowledge Graph'would have allowed
searching for things, not strings, 1 knowledge graphs start entering information retrieval …

Ontologies are widely used in biological and biomedical research. Their success lies in their
combination of four main features present in almost all ontologies: provision of standard …

As the (in) famous definition states:'An ontology is an explicit specification of a
conceptualization'. However, an ontology is also a philosophical theory of existence, a …

Thoroughly covering basic introductions and intuitions, technical details, and formal
foundations, this text focuses on the established foundations in this area that have become …

This article presents YAGO, a large ontology with high coverage and precision. YAGO has
been automatically derived from Wikipedia and WordNet. It comprises entities and relations …

Since achieving W3C recommendation status in 2004, the Web Ontology Language (OWL)
has been successfully applied to many problems in computer science. Practical experience …

We present RDFox—a main-memory, scalable, centralised RDF store that supports
materialisation-based parallel datalog reasoning and SPARQL query answering. RDFox …