メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.772893305544 35.4066749775272, 136.772894366807 35.4070053938274, 136.771004808278 35.4073238314419, 136.770396769627 35.4074217814972, 136.770326612186 35.4071078295231, 136.770266809583 35.4069191187428, 136.770095980143 35.4063842119195, 136.771683535255 35.4063375398251, 136.77167077397 35.4061055327798, 136.772865779646 35.4060825099169, 136.772893305544 35.4066749775272)) ^^http://www.opengis.net/ont/geosparql#wktLiteral