メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((128.843069476297 32.6937002890641, 128.842612609249 32.6938971611804, 128.842068181456 32.6941211992861, 128.841629176089 32.6936264225292, 128.841008244628 32.6929110365355, 128.840899230253 32.6927909669525, 128.841356917812 32.6925270938364, 128.841380221394 32.6925079087452, 128.842200249063 32.6920520594745, 128.842525628858 32.6918442166447, 128.842610133508 32.6917902193964, 128.843612515579 32.6927713857664, 128.843849639582 32.6930904022249, 128.843861338993 32.6931882311006, 128.843475215949 32.6934760557569, 128.843069476297 32.6937002890641)) ^^http://www.opengis.net/ont/geosparql#wktLiteral