メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.161622273825 34.667919199437, 135.162110892919 34.6682268818119, 135.162690067466 34.6685880337064, 135.162609564375 34.6687215516476, 135.162366510826 34.6686939108256, 135.161093515664 34.6685110183278, 135.160793092725 34.6684747500993, 135.159965494167 34.6683676938908, 135.160140818313 34.668168175496, 135.160475659155 34.6678255881254, 135.160694331431 34.6675964757463, 135.16085644063 34.6674398666142, 135.16157556726 34.6678857119626, 135.161622273825 34.667919199437)) ^^http://www.opengis.net/ont/geosparql#wktLiteral