メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.368952767393 43.1051989795212, 141.367507451129 43.105019781064, 141.367657650013 43.1044202868965, 141.367934704792 43.1044566682927, 141.368600777795 43.1045326810535, 141.369113851548 43.1045757273259, 141.368952767393 43.1051989795212)) ^^http://www.opengis.net/ont/geosparql#wktLiteral