メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.865265625038 35.2363637930752, 136.865243619437 35.2365978990353, 136.865216300232 35.2368363568705, 136.864865386048 35.2368250566514, 136.864860619085 35.2369707519446, 136.864340551092 35.2369694502152, 136.864078153737 35.2370329487763, 136.863610956614 35.2370265644176, 136.863690804246 35.236306044942, 136.863729063901 35.2362488853737, 136.863784312071 35.2361762051375, 136.863906560907 35.2358830520858, 136.863940016671 35.2358824319911, 136.864942481781 35.2359943821986, 136.865297592731 35.236007383002, 136.865265625038 35.2363637930752)) ^^http://www.opengis.net/ont/geosparql#wktLiteral