メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.417930771492 34.7730251652739, 135.41787172862 34.7735402221547, 135.416524216416 34.7734257490919, 135.415575030611 34.7734229326319, 135.41557503668 34.7729019229806, 135.416544639028 34.7729068110715, 135.416571421116 34.7725538804432, 135.416582990749 34.772401235016, 135.417332284644 34.7724627295648, 135.417760491554 34.7725037026246, 135.417986561761 34.7725353499671, 135.417930771492 34.7730251652739)) ^^http://www.opengis.net/ont/geosparql#wktLiteral