メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.547720393466 36.0287174875752, 139.547142617206 36.0292632297937, 139.546078368811 36.0302452367635, 139.545486330956 36.0309408366865, 139.544802197897 36.0317659380924, 139.544059147487 36.031183077961, 139.544046655356 36.031173286098, 139.543186164605 36.030509668986, 139.543125921238 36.0304370276486, 139.543883293814 36.0297651790082, 139.543950402981 36.0297025009368, 139.543974132801 36.0296674000696, 139.544071173752 36.029491345337, 139.544134440062 36.0294009546778, 139.544575863683 36.0288822480356, 139.544587118141 36.0288686276561, 139.544931349705 36.0284356710768, 139.545155855866 36.0281896144578, 139.545339666714 36.0280020315715, 139.545572350558 36.0277895722704, 139.545733046496 36.0278910532382, 139.54608639719 36.0275588857061, 139.546623907227 36.0279986824355, 139.547720393466 36.0287174875752)) ^^http://www.opengis.net/ont/geosparql#wktLiteral