Ever since the vision was formulated, the Semantic Web has inspired many generations of
innovations. Semantic technologies have been used to share vast amounts of information on …

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 …

The advancements and popularity of Semantic Web technologies in the last decades have
led to an exponential adoption and availability of Web-accessible datasets. While most …

The proliferation of large and ever-growing RDF datasets has sparked a need for robust and
performant RDF archiving systems. In order to tackle this challenge, several solutions have …

This thesis presents an analysis of RDF reification approaches applied to the European
Agency for Railways (ERA) Knowledge Graph, a novel tool for managing European railway …