メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.337309426739 43.0979358306885, 141.337862296765 43.09801500363, 141.337771125163 43.0983704189028, 141.337719048585 43.0985747994692, 141.337684633839 43.0986884562757, 141.337591764986 43.0990546179055, 141.337058377803 43.0989684263168, 141.337019512746 43.0989681158456, 141.336360248889 43.0988762694382, 141.336054485686 43.09883367021, 141.336170414835 43.0983630457908, 141.336305411923 43.0977910901402, 141.337309426739 43.0979358306885)) ^^http://www.opengis.net/ont/geosparql#wktLiteral