メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.043043101847 37.9189392170393, 139.042523836102 37.919119851479, 139.042304390923 37.9189355950066, 139.041977616182 37.9186610255543, 139.041763491185 37.9184811077854, 139.042125347019 37.918215183961, 139.042130474294 37.9182115003359, 139.04236005935 37.9183792398961, 139.042070192057 37.9186052699493, 139.042183635875 37.9186871043271, 139.042479263777 37.9184590759402, 139.042794692919 37.9187128594674, 139.042848035025 37.9186688286278, 139.042983605952 37.9187749160898, 139.043080143803 37.9189258114414, 139.043043101847 37.9189392170393)) ^^http://www.opengis.net/ont/geosparql#wktLiteral