メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.210524229807 34.7086028485578, 135.210476753018 34.7087586962215, 135.21031545738 34.7092489120107, 135.209799242595 34.7090162712872, 135.209728768645 34.7092882085198, 135.209685435543 34.7092872530741, 135.209627938306 34.7092696375687, 135.209313306222 34.7091952773393, 135.209554712583 34.7085377104875, 135.209644924673 34.7082936604251, 135.20974550457 34.7079977005682, 135.210670078832 34.7082006383003, 135.210596331869 34.7084127366425, 135.210524229807 34.7086028485578)) ^^http://www.opengis.net/ont/geosparql#wktLiteral