メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.884711840944 35.1281772419502, 136.884749725386 35.128470437591, 136.884760675948 35.1285763825135, 136.884842493617 35.1290251821071, 136.884700240531 35.1290357626167, 136.884622519147 35.1285740847086, 136.884591894517 35.1285738005067, 136.884572943174 35.1284700199387, 136.884516512905 35.1281608638464, 136.884456069454 35.1278297301344, 136.884657352707 35.1278337273702, 136.884711840944 35.1281772419502)) ^^http://www.opengis.net/ont/geosparql#wktLiteral