The document discusses Linked Open Data and its use by the city of Gent, Belgium. It explains how the city organizes its website data using ontologies and vocabularies like schema.org, OSLO, Core Public Service, and DCAT. The data is represented in formats like RDF+XML, Turtle, JSON-LD, and TurtleDCAT and made available online through a SPARQL endpoint and APIs. Examples are given of querying the data, such as finding products for ecological companies or recent news items for a specific district.