メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.96048602784 37.0331140819067, 136.961506915665 37.0335541910125, 136.96229993603 37.0338951896325, 136.961178984714 37.0342339955404, 136.961164466767 37.0347986019924, 136.960622552951 37.0347824495587, 136.960642388483 37.0344774996856, 136.960268508957 37.0344464325914, 136.960226152642 37.0344244621904, 136.959822980573 37.0345333032031, 136.959318768696 37.034636616556, 136.959201396164 37.0346795671183, 136.958909528754 37.0347882497407, 136.958651112676 37.0348348952841, 136.958397338523 37.0349182273939, 136.957973236435 37.0323868439824, 136.957697929314 37.0322389334765, 136.957888732855 37.0319953935688, 136.958898471535 37.0324468381548, 136.960115639054 37.0329635466309, 136.96048602784 37.0331140819067)) ^^http://www.opengis.net/ont/geosparql#wktLiteral