メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.040692276086 35.0055239042337, 137.040490569359 35.0053546655143, 137.040790721041 35.0048611980817, 137.0410979422 35.0043736543989, 137.041371238407 35.0040622164323, 137.041651519567 35.0038148061828, 137.0419174726 35.0036752774237, 137.042173837135 35.0035948977703, 137.042410157266 35.003553445178, 137.042845976804 35.0035480439351, 137.04324816371 35.0035237315771, 137.043731607186 35.0036596565102, 137.043088143546 35.0039139579966, 137.042795401709 35.0040530393065, 137.042380673339 35.0043137680373, 137.040692276086 35.0055239042337)) ^^http://www.opengis.net/ont/geosparql#wktLiteral