メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.446091741781 36.4035547436081, 136.445439532601 36.4037059320027, 136.445075685898 36.4026208326678, 136.445196790594 36.4025838007874, 136.445086651357 36.4022777960338, 136.445588125169 36.4021690902894, 136.445840731347 36.4030677969411, 136.445676527624 36.4031360359716, 136.445585438929 36.4032991632868, 136.445596512201 36.4033685066099, 136.446044151427 36.4033932691187, 136.446070917962 36.4034469380917, 136.446091741781 36.4035547436081)) ^^http://www.opengis.net/ont/geosparql#wktLiteral