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 …

Various embodiments virtualize data across heterogeneous formats. In one embodiment, a
plurality of heterogeneous data sources is received as input. A local schema graph including …

Various embodiments provide access control to unprotected data storage system endpoints.
In one embodiment, an authenticated query request is received. The request includes a …

The IoT or the internet of things started as a technology to connect everyday objects over the
internet, which has evolved into something big and invaded into every single aspect of our …

In the last years, scalable RDF stores in the cloud have been developed, where graph data
is distributed over compute and storage nodes for scaling efforts of query processing and …

The increasing amount of Linked Data and its inherent distributed nature have attracted
significant attention throughout the research community and amongst practitioners to search …

While Linked Open Data showed enormous increase in volume, yet there is no single point
of access for querying the over 200 SPARQL repositories. In this paper we present Balloon …

Processing a federated query in Linked Data is challenging because it needs to consider the
number of sources, the source locations as well as heterogeneous system such as …

La arquitectura en capas de la World Wide Web (W3C) define estándares, tecnologías,
lenguajes y métodos necesarios para construir aplicaciones que involucren la web …

This thesis is concerned with the development of efficient methods for managing
contextualised time-series data and event streams produced by the Internet of Things (IoT) …