メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.597617501363 37.8551973869969, 140.598394182414 37.8549596435111, 140.598987840316 37.8547779868739, 140.599203385335 37.8552566732194, 140.599798826554 37.8550755632489, 140.600440417635 37.8563310207777, 140.600221023105 37.8563466619611, 140.599760056572 37.8563372609788, 140.599164131819 37.8562753748955, 140.599450823308 37.8568763646283, 140.599895282631 37.857828299032, 140.600360509238 37.858820785686, 140.598996899974 37.8592273359515, 140.597572525728 37.8596404560774, 140.59721165919 37.8586914957411, 140.596111943356 37.8556693116591, 140.596904942417 37.853744437068, 140.59725135796 37.8544402147442, 140.597617501363 37.8551973869969)) ^^http://www.opengis.net/ont/geosparql#wktLiteral