メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.339521466955 38.0019815914719, 139.336383492454 38.0036747156015, 139.336297587151 38.0035355425513, 139.336222336414 38.0034497858513, 139.335571654101 38.0028624825845, 139.335421717367 38.0027324949076, 139.335359165034 38.0026052623718, 139.335322896958 38.0022931489482, 139.335268201412 38.0020898430454, 139.334916517026 38.0013071296485, 139.334741453266 38.0006854653788, 139.334685198886 38.0003440748556, 139.334647029823 37.9998713558288, 139.334694758002 37.9998994510874, 139.335803995036 38.0005130469245, 139.337929859003 38.0001363603557, 139.339521466955 38.0019815914719)) ^^http://www.opengis.net/ont/geosparql#wktLiteral