メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.719759287229 34.4881137444267, 135.719062903021 34.4881267929416, 135.718752068494 34.4880617009781, 135.718749956714 34.4881656551865, 135.718484873203 34.4881619451873, 135.718500138162 34.487825449498, 135.718502430888 34.4875845733928, 135.718504276451 34.4875349926149, 135.719760220487 34.487525910559, 135.719759287229 34.4881137444267)) ^^http://www.opengis.net/ont/geosparql#wktLiteral