In this article, we provide a comprehensive introduction to knowledge graphs, which have
recently garnered significant attention from both industry and academia in scenarios that …

The reuse of licensed resources to produce new ones is very common and encouraged on
the Web. But producing resources whose licenses are compliant with all reused resource …

Query relaxation has been proposed to cope with the problem of queries that produce none
or insufficient answers. The goal is to modify these queries to be able to produce alternative …

Metadata portals offer access to Open Data, which is increasingly published on the basis of
RDF vocabularies and ontologies. Individual datasets include URIs and descriptions of …

Licenses of digital resources describe rights and duties for users. If the licenses are
expressed in natural language, as it is frequently the case, it is hard to reason and verify the …

When two or more licensed datasets participate in evaluating a federated query, to be
reusable, the query result must be protected by a license compliant with each license of the …

When two or more licensed datasets participate in the evaluation of a federated query, the
query result must be protected by a license that is compliant with each license of the …

This paper presents the ongoing construction of a knowledge graph (KG) of educational
resources (ER) where RDF reification is essential. ERs can be described by their title …

A basic keyword search is the most frequent technique used by teachers looking for
reusable Educational Resources (ER). Despite the abundance of ERs on the Web, many …

Le web facilite la création de ressources par combinaison (code source, services web,
données liées, etc.). Pour un producteur de données, choisir une licence adaptée qui …