メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.180709545524 34.231470563516, 135.180389326935 34.2313486826819, 135.180451538664 34.2312203438528, 135.180169839198 34.231061530516, 135.180239176534 34.2309504259992, 135.180146967178 34.2308921925051, 135.180283450768 34.2307301203056, 135.180555505609 34.2302983452344, 135.180612744875 34.2303247888393, 135.180893960139 34.2304545794455, 135.181073308474 34.2305341022058, 135.180876761972 34.2308042432913, 135.18103122953 34.230869793992, 135.180709545524 34.231470563516)) ^^http://www.opengis.net/ont/geosparql#wktLiteral