メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.680273649652 35.3183985554311, 136.680786718389 35.3188099666435, 136.681349643773 35.3192331941787, 136.680357355858 35.3200861892734, 136.680121160498 35.3202774967782, 136.679965174741 35.3201757458123, 136.679774770122 35.3200466038635, 136.679556175267 35.3198900957739, 136.679058794509 35.3194418418208, 136.678905624447 35.3192724272199, 136.678783282021 35.319113206545, 136.678666106662 35.3189096418011, 136.679747040704 35.3179892724121, 136.679773125282 35.3179666301631, 136.680273649652 35.3183985554311)) ^^http://www.opengis.net/ont/geosparql#wktLiteral