In this article, we provide a comprehensive introduction to knowledge graphs, which have
recently garnered significant attention from both industry and academia in scenarios that …

The Resource Description Framework (RDF) represents a main ingredient and data
representation format for Linked Data and the Semantic Web. It supports a generic graph …

Dieses Lehrbuch bietet eine umfassende Einführung in Grundlagen, Potentiale und
Anwendungen Semantischer Technologien. Es richtet sich an Studierende der Infor¬ matik …

The World Wide Web has enabled the creation of a global information space comprising
linked documents. As the Web becomes ever more enmeshed with our daily lives, there is a …

8.1 The World Wide Web has radically altered the way we share knowledge, by lowering the
barrier to publishing and accessing documents as part of a global information space …

One of the major barriers to the deployment of Linked Data is the difficulty that data
publishers have in determining which vocabularies to use to describe the semantics of data …

The current Web of Data is producing increasingly large RDF datasets. Massive publication
efforts of RDF data driven by initiatives like the Linked Open Data movement, and the need …

Motivated by the ongoing success of Linked Data and the growing amount of semantic data
sources available on the Web, new challenges to query processing are emerging …

Hundreds of public SPARQL endpoints have been deployed on the Web, forming a novel
decentralised infrastructure for querying billions of structured facts from a variety of sources …

In order to leverage the full potential of the Semantic Web it is necessary to transparently
query distributed RDF data sources in the same way as it has been possible with federated …