メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.617135583023 34.7938419789512, 133.616314349865 34.7939320831927, 133.616270487448 34.7937080080872, 133.616267724172 34.7936178452196, 133.617109966567 34.7934870172556, 133.617135583023 34.7938419789512)) ^^http://www.opengis.net/ont/geosparql#wktLiteral