メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.743573155821 35.4117001789777, 136.743447436513 35.4119322679114, 136.742166495539 35.4115253578265, 136.742300903388 35.4112942858212, 136.742499010168 35.4113575145501, 136.742611427344 35.4111203798027, 136.742729613885 35.4111615674995, 136.742792454435 35.4110614381455, 136.743008052439 35.4111438818163, 136.74297240628 35.4112083332154, 136.743571670673 35.4114162008601, 136.743450270571 35.4116609812411, 136.743573155821 35.4117001789777)) ^^http://www.opengis.net/ont/geosparql#wktLiteral