メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.382629712378 43.8078719066967, 142.382187179958 43.8082128953127, 142.381804945135 43.8084841061655, 142.381647299165 43.8086051342766, 142.381384730701 43.8087958823851, 142.381076296901 43.8090329715608, 142.380794635148 43.8092246012959, 142.380414629582 43.8095006745684, 142.380206720348 43.8096623158962, 142.378490188689 43.8084102621545, 142.379081423552 43.8079650806584, 142.379638444378 43.8075414004835, 142.380053658724 43.8072197915623, 142.380473897167 43.8069209945114, 142.380451508507 43.8069177675598, 142.380900834655 43.8066140664931, 142.380959146833 43.806665881123, 142.382629712378 43.8078719066967)) ^^http://www.opengis.net/ont/geosparql#wktLiteral