メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.368042181823 37.3039519079662, 140.367997835231 37.3039619632909, 140.367862670604 37.3039653921488, 140.367151958904 37.303921158935, 140.367151613981 37.3038911698827, 140.367195593349 37.3032430198646, 140.367593727736 37.3031830687226, 140.367608056394 37.3032466454136, 140.367619178745 37.3033490959187, 140.367637102822 37.3034349010438, 140.367675846944 37.3035176563122, 140.368064235834 37.3035316672727, 140.368042181823 37.3039519079662)) ^^http://www.opengis.net/ont/geosparql#wktLiteral