メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.602437532503 35.3905933470263, 136.602091690166 35.3905893364083, 136.601459556722 35.3905875760627, 136.600392694301 35.3906206736073, 136.60043340419 35.3899913172061, 136.600479740547 35.3895916938793, 136.600597306897 35.3889900899232, 136.600727425955 35.3884564290347, 136.602430014156 35.3885334031734, 136.605773366392 35.3886567848269, 136.605684042626 35.3906365716786, 136.603743976813 35.3905910648367, 136.602876127881 35.3906334217885, 136.602646563403 35.3906276318952, 136.602437532503 35.3905933470263)) ^^http://www.opengis.net/ont/geosparql#wktLiteral