メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.807137343363 35.301006898267, 136.807057701197 35.3010145485022, 136.807023450648 35.3007371892326, 136.807498604169 35.3006705050764, 136.808157017132 35.3005909114844, 136.808157585848 35.3006422516292, 136.808139839327 35.3009119906139, 136.807137343363 35.301006898267)) ^^http://www.opengis.net/ont/geosparql#wktLiteral