メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.910999703505 35.486443387315, 136.910953776769 35.4866583920597, 136.910926704048 35.4867242142499, 136.910326840108 35.4865815325213, 136.909845014194 35.4864493787773, 136.909460332755 35.4863244752176, 136.910525275149 35.4855686853259, 136.911016825115 35.4854963157305, 136.911028843359 35.4859455992706, 136.911006855198 35.4861953406328, 136.91100639685 35.4863410426058, 136.910999703505 35.486443387315)) ^^http://www.opengis.net/ont/geosparql#wktLiteral