Social media sites can act as a rich source of large amounts of data by letting anyone easily create content on the Web. The SIOC ontology and tools developed for it allow us to express this information as interlinked RDF ...

In this chapter, we first perform an empirical survey of RDF-based applications over most of the past decade, from 2003 to 2009. As the Linked Data principles where introduced in 2006, this allows us to describe the current ...