メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.597088925157 36.4879748800625, 136.598386592607 36.4881134225153, 136.599380325077 36.488189043514, 136.599257273082 36.4890227225572, 136.599068990026 36.4897793818709, 136.598920456305 36.4901013549954, 136.59888693042 36.4903518125342, 136.59796858525 36.4902594734004, 136.59581788163 36.4900431459078, 136.596250712357 36.4897893824461, 136.596321950925 36.4897420204307, 136.596357771223 36.4896849852409, 136.596669178126 36.4879261990045, 136.597088925157 36.4879748800625)) ^^http://www.opengis.net/ont/geosparql#wktLiteral