With the growing amount of data being continuously produced, it is crucial to come up with
solutions to expose data from ever more heterogeneous databases (eg NoSQL systems) as …

Whereas the availability of data has seen a manyfold increase in past years, its value can be
only shown if the data variety is effectively tackled---one of the prominent Big Data …

Accessing legacy data as virtual RDF stores is a key issue in the building of the Web of Data.
In recent years, the MongoDB database has become a popular actor in the NoSQL market …

With the development of the Semantic Web and Artificial Intelligence techniques, ontology
has become a very powerful way of representing not only knowledge but also their …

The evolution of heterogeneous data residing in various kinds of data sources (eg,
relational, XML, document stores, etc.) raises the need to provide a unified view over them …

Within the GeoKnow project, various tools are developed and integrated which aim to
simplify managing geospatial Linked Data on the web. In this article, we summarize the state …

While the data deluge accelerates, most of the data produced remains locked in deep Web
databases. For the linked open data to benefit from the potential represented by this huge …

RDF-based data integration is often hampered by the lack of methods to translate data
locked in heterogeneous silos into RDF representations. In this paper, we tackle the …

Fostering the development of SPARQL interfaces to heterogeneous databases is a key to
efficiently expose legacy data as RDF on the Web. To deal with the variety of modern …

To a great extent, the success of the Web of Data depends on the ability to reach out legacy
data locked in silos inaccessible from the web. In the last 15 years, various works have …