メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.493698493205 40.5994686490762, 140.494765027187 40.5996265163308, 140.494705224294 40.5999800447, 140.49471553657 40.6002321083754, 140.494747744953 40.6015222720173, 140.494843043155 40.60313072023, 140.492811322498 40.6028262521205, 140.491509789678 40.6026203166388, 140.491492633044 40.6026176628552, 140.490725495238 40.602501323907, 140.49092515222 40.6016831991017, 140.491170509353 40.6009578043053, 140.491226458213 40.6007212066845, 140.49166747419 40.5991555785538, 140.492432099604 40.599263670037, 140.493698493205 40.5994686490762)) ^^http://www.opengis.net/ont/geosparql#wktLiteral