メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.878779650466 35.1151042621841, 136.878767900052 35.1155156967895, 136.877670420354 35.1154940354006, 136.877714969682 35.1139117456357, 136.878806792162 35.113896837288, 136.878779583167 35.1145094956132, 136.878777927169 35.1147397648233, 136.878779650466 35.1151042621841)) ^^http://www.opengis.net/ont/geosparql#wktLiteral