Data exploration and visualization systems are of great importance in the Big Data era.
Exploring and visualizing very large datasets has become a major research challenge, of …

Linked Data (LD) is a well-established standard for publishing and managing structured
information on the Web, gathering and bridging together knowledge from different scientific …

The increasing variety of Linked Data on the Web makes it challenging to determine the
quality of this data and, subsequently, to make this information explicit to data consumers …

Data exploration and visualization systems are of great importance in the Big Data era, in
which the volume and heterogeneity of available information make it difficult for humans to …

Background Several query federation engines have been proposed for accessing public
Linked Open Data sources. However, in many domains, resources are sensitive and access …

The wide adoption of the RDF data model, as well as the Linked Open Data initiative, have
made available large linked datasets that have the potential to offer invaluable knowledge …

In a global and interconnected economy, decision makers often need to consider
information from various domains. A tourism destination manager, for example, has to …

Labels in the web of data are the key element for humans to access the data. We introduce a
framework to measure the coverage of information with labels. The framework is based on a …

A major part of open data provided by international and governmental organizations include
facts and figures that are described in a multi-dimensional manner (aka data cubes). The …

There is a vast amount of Linked Data on the web spread across a large number of datasets.
One of the visions behind Linked Data is that the published data is conveniently reusable by …