メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.854487916527 35.2144373973991, 136.854596930264 35.2145016954309, 136.855017454205 35.2147965926852, 136.855471460381 35.215099392936, 136.856076767275 35.2154330733033, 136.856542737345 35.2156609681555, 136.855870274846 35.2165989236849, 136.855360217031 35.2174479250208, 136.854772422423 35.21742873285, 136.854152845585 35.2174069208379, 136.853471877331 35.2173548755019, 136.852831336529 35.217317509403, 136.852843722158 35.2171261964476, 136.852694709326 35.2166524831905, 136.852613135044 35.2163931776129, 136.852828809456 35.216007456828, 136.853164238971 35.2158988153225, 136.853192088828 35.215797475451, 136.853279107649 35.2157738975287, 136.853287611492 35.21577159565, 136.853315787116 35.2157639919859, 136.853249132154 35.2152454909104, 136.853359706591 35.2150542212284, 136.853622302679 35.2146041806798, 136.854062904508 35.2142785476668, 136.85406336464 35.2142147439485, 136.85406338016 35.2141546007346, 136.854487916527 35.2144373973991)) ^^http://www.opengis.net/ont/geosparql#wktLiteral