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