@prefix device-models: . @prefix ldes: . @prefix prov: . @prefix rdf: . @prefix tree: . device-models:device-models-by-time rdf:type tree:Node ; tree:relation [ rdf:type tree:Relation ; tree:node ] . rdf:type ldes:EventStream ; ldes:timestampPath prov:generatedAtTime ; tree:view device-models:device-models-by-time .