urpx / ontology / year year Canonical IRIhttps://urpx-org.github.io/urpx/ontology/year Sourceontologyreleasesv0.2.0 References Canonical https://urpx-org.github.io/urpx/ontology https://urpx-org.github.io/urpx/ontology/releases/v0.2.0 Semantic Flow metadata Knopontology/year/_knop Extraction Sourceontology Extraction Source Stateontology/releases/v0.2.0