メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.44649892164 36.4034994586344, 136.446253309418 36.4035172888145, 136.446091741781 36.4035547436081, 136.446070917962 36.4034469380917, 136.446044151427 36.4033932691187, 136.445596512201 36.4033685066099, 136.445585438929 36.4032991632868, 136.445676527624 36.4031360359716, 136.445840731347 36.4030677969411, 136.445588125169 36.4021690902894, 136.445982340235 36.4020739148051, 136.446094644949 36.4025656526628, 136.446281722718 36.4025479239298, 136.446394116959 36.4030302289516, 136.446459989376 36.4030652682659, 136.44649892164 36.4034994586344)) ^^http://www.opengis.net/ont/geosparql#wktLiteral