メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.586995083801 34.6658000582232, 135.586954786109 34.6665624021078, 135.586883682101 34.6675467779088, 135.586851039386 34.6675455404675, 135.585466299898 34.6674905554808, 135.584988409102 34.6674496301353, 135.584445163579 34.6674031279731, 135.583344841338 34.6672976723493, 135.583564111311 34.6661995662589, 135.583721508246 34.6653539523018, 135.584930826836 34.6653573692666, 135.585576411167 34.6653570292527, 135.586303875403 34.6653559763865, 135.586289363275 34.6657734387022, 135.586995083801 34.6658000582232)) ^^http://www.opengis.net/ont/geosparql#wktLiteral