A knowledge graph (KG), a special form of semantic network, integrates fragmentary data
into a graph to support knowledge processing and reasoning. KG quality control is important …

In the recent years, different Web knowledge graphs, both free and commercial, have been
created. While Google coined the term “Knowledge Graph” in 2012, there are also a few …

An ontology typically provides a vocabulary describing a domain of interest and a
specification of the meaning of terms in that vocabulary. Depending on the precision of this …

Schema and ontology matching is a critical problem in many application domains, such as
semantic web, schema/ontology integration, data warehouses, e-commerce, etc. Many …

Semantic integration is an active area of research in several disciplines, such as databases,
information-integration, and ontologies. This paper provides a brief survey of the …

To enhance the treatment of relations in biomedical ontologies we advance a methodology
for providing consistent and unambiguous formal definitions of the relational expressions …

Abstract dolce, the first top-level (foundational) ontology to be axiomatized, has remained
stable for twenty years and today is broadly used in a variety of domains. dolce is inspired by …

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 …

There are a large number of ontologies currently available on the Semantic Web. However,
in order to exploit them within natural language processing applications, more linguistic …

In this paper we describe a legal core ontology that is part of a generic architecture for legal
knowledge systems, which will enable the interchange of knowledge between existing legal …