The Internet of Things (IoT) envisions a world-wide, interconnected network of smart
physical entities. These physical entities generate a large amount of data in operation, and …

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 …

Abstract Billions of Linked Data triples exist in thousands of RDF knowledge graphs on the
Web, but few of those graphs can be queried live from Web applications. Only a limited …

The explosion in the amount of the available RDF data has lead to the need to explore,
query and understand such data sources. Due to the complex structure of RDF graphs and …

This paper presents Solid, a decentralized platform for social Web applications. In Solid,
users' data is managed independently of the applications that create and consume this data …

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 …

A large number of published datasets (or sources) that follow Linked Data principles is
currently available and this number grows rapidly. However, the major target of Linked Data …

A large number of datasets are being made available on the Web using a variety of formats
and according to diverse data models. Ontology Based Data Integration (OBDI) has been …

Efficient federated query processing is of significant importance to tame the large amount of
data available on the Web of Data. Previous works have focused on generating optimized …