Wikidata: WikiProject Ontology/Ontology Course (wikidata.org)

Wikidata’s WikiProject Ontology posts details for an eight-week “Wikidata Ontology” course, including eligibility, required exercises, and a project aimed at improving and expanding the Wikidata ontology. The second offering is scheduled for May–June 2026 on Thursday afternoons (1–3 pm EDT) with registration open until 27 April. The page also outlines course topics such as ontology fundamentals, editing and querying with SPARQL, inference and constraints, and includes information from the prior 2025 offering.