メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.132080563057 34.6035352412124, 136.13407321373 34.6042907446749, 136.133825773648 34.604684174765, 136.13315923369 34.6058587420681, 136.132650703185 34.6067367512474, 136.131561494537 34.6086608933773, 136.131264978083 34.6085416237425, 136.129610057606 34.6078767082446, 136.129134282295 34.6076949414051, 136.129446996673 34.607150444522, 136.129804388442 34.6065518072826, 136.130151411809 34.6059275413323, 136.130443514124 34.6054343394313, 136.130646242443 34.6050836475721, 136.131175345465 34.6041316696038, 136.131618594586 34.6033533294467, 136.132080563057 34.6035352412124)) ^^http://www.opengis.net/ont/geosparql#wktLiteral