メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.812159859547 35.3134848148265, 136.811462967259 35.3136636929772, 136.81158999614 35.3140047781372, 136.811794208915 35.3145530657194, 136.811831427715 35.3146530360721, 136.811570755973 35.314723401437, 136.811502618352 35.3145265069133, 136.810974067065 35.3146700296769, 136.811039250761 35.3148595214268, 136.810882689418 35.314899696425, 136.810699528765 35.314436400914, 136.810516246971 35.3139326809081, 136.810318260678 35.3134076488899, 136.810432432155 35.3133798853287, 136.811278059235 35.3131672232012, 136.811972894998 35.3129862975624, 136.812159859547 35.3134848148265)) ^^http://www.opengis.net/ont/geosparql#wktLiteral