メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.156851789203 34.655896910366, 135.156817603036 34.655973345036, 135.156163954306 34.655790706949, 135.155666069454 34.6556385651707, 135.156081498823 34.6546238413129, 135.15726576797 34.6549606495816, 135.157100434547 34.6553403921137, 135.15705899355 34.6554330747268, 135.156851789203 34.655896910366)) ^^http://www.opengis.net/ont/geosparql#wktLiteral