メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.927805323895 35.0956478865525, 136.927033738762 35.0953218311944, 136.926576985702 35.0951159818323, 136.926849784752 35.0946033205713, 136.927216992341 35.0938846336963, 136.927557304276 35.0932884359886, 136.927568799901 35.0932683162763, 136.928058172977 35.0933987283414, 136.927733438448 35.0940025650491, 136.928520756391 35.094285545535, 136.928608264407 35.0941191577187, 136.928845739872 35.0942095602543, 136.928328853539 35.0951818477856, 136.928100993386 35.0950994909647, 136.927805323895 35.0956478865525)) ^^http://www.opengis.net/ont/geosparql#wktLiteral