メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.852674337747 35.3991116467028, 136.852661261344 35.3994963992158, 136.852640551483 35.3999038786474, 136.852576344869 35.4003882853369, 136.85257322296 35.4004118687005, 136.852491613059 35.4009260184971, 136.85167855705 35.4009200130597, 136.851605106598 35.4006311588569, 136.851242613425 35.4006787982199, 136.85103483526 35.3999653662883, 136.851032396861 35.399851346516, 136.851032476965 35.3998307126567, 136.851052026678 35.3994637235665, 136.851107847086 35.3989702095339, 136.851165099928 35.3984787427523, 136.852687477306 35.3985936560249, 136.852674337747 35.3991116467028)) ^^http://www.opengis.net/ont/geosparql#wktLiteral