メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.412760466331 43.0349287745262, 141.413523850222 43.035702082601, 141.413828609783 43.0360076442303, 141.414386397099 43.0365740088577, 141.413859860844 43.0367708195234, 141.413743355022 43.0368144178306, 141.413150773944 43.0370381712522, 141.4130445502 43.0370799453941, 141.412959145404 43.0371136425774, 141.41236868674 43.0373359302005, 141.412005606941 43.0368562218673, 141.411688255672 43.0363983680201, 141.411377281396 43.0359795922243, 141.411055059985 43.035563265677, 141.410748677711 43.0351740613872, 141.411011212249 43.03506605857, 141.412354548137 43.034519365753, 141.412760466331 43.0349287745262)) ^^http://www.opengis.net/ont/geosparql#wktLiteral