メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.135962793072 34.6597929528979, 135.135762993826 34.6600038657201, 135.135628062549 34.6601535003651, 135.135533712574 34.6602690616925, 135.135339387589 34.6604821914646, 135.134996317329 34.6602613334719, 135.134527074713 34.6599669317964, 135.134753913388 34.6597310526544, 135.134845773356 34.6596402991898, 135.134918585347 34.6595541785229, 135.135185764262 34.659259435731, 135.13548871919 34.6594691988878, 135.135611368104 34.6595541219599, 135.135962793072 34.6597929528979)) ^^http://www.opengis.net/ont/geosparql#wktLiteral