メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.942737176576 33.6284134852238, 135.942416212545 33.6286210043962, 135.941810402038 33.6290177404493, 135.941631649566 33.6291171230658, 135.941632434224 33.6289241083572, 135.941633582409 33.6286398002007, 135.94247191561 33.6281211647262, 135.943474325502 33.6274687554496, 135.94374316066 33.6277514960756, 135.942737176576 33.6284134852238)) ^^http://www.opengis.net/ont/geosparql#wktLiteral