メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.312069838237 35.77591440086, 140.31237515594 35.7762786103455, 140.31269183705 35.7766500085175, 140.312856672294 35.776909416432, 140.31311814429 35.7776187890585, 140.311166884078 35.7780608613047, 140.310872758288 35.7774738938397, 140.310522924511 35.7769187282358, 140.310375570763 35.7767273577316, 140.309523119137 35.7758366446825, 140.309905138747 35.7756989581695, 140.309966617939 35.7756772006665, 140.310225673422 35.7755830092471, 140.310420908007 35.7754800930163, 140.310651519421 35.7753260704384, 140.310754773834 35.7750146979283, 140.310766225322 35.774957350702, 140.311048176739 35.7747697284711, 140.312069838237 35.77591440086)) ^^http://www.opengis.net/ont/geosparql#wktLiteral