urpx / ontology / threePhaseCategory threePhaseCategory Canonical IRIhttps://urpx-org.github.io/urpx/ontology/threePhaseCategory 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/threePhaseCategory/_knop Extraction Sourceontology Extraction Source Stateontology/releases/v0.2.0