At the end of 2019, Chinese authorities alerted the World Health Organization (WHO) of the
outbreak of a new strain of the coronavirus, called SARS-CoV-2, which struck humanity by …

Abstract Fostering interoperability, Public Sector Bodies (PSBs) maintain datasets that
should become queryable as an integrated Knowledge Graph (KG). While some PSBs allow …

The centralization of the Web has led to significant risks to privacy, security, and user
autonomy, prompting the need for decentralization. Solid is a set of standards, protocols …

Route planning providers manually integrate different geo-spatial datasets before offering a
Web service to developers, thus creating a closed world view. In contrast, combining open …

Client-side SPARQL query processing enables evaluating queries over RDF datasets
published on the Web without producing high loads on the data providers' servers. Triple …

Many Web developers nowadays are trained to build applications with a user-facing
browser front-end that obtains predictable data structures from a single, well-known back …

In recent years, relational databases successfully leverage reinforcement learning to
optimize query plans. For graph databases and RDF quad stores, such research has been …

There are two mechanisms for publishing live changing resources on the Web: a client can
pull the latest state of a resource or the server pushes updates to the client. In the state of the …

A federation of RDF data sources offers enormous potential when answers or insights of
queries are unavailable via a single data source. As various interfaces for accessing RDF …

We propose a set of optimizations that can be applied to a given SPARQL query, and that
guarantee that the optimized query has the same answers under bag semantics as the …