メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.735825595089 35.3404255208238, 136.735669155475 35.3409035059163, 136.735680968929 35.3409776363436, 136.735699562345 35.3410452410164, 136.734956680917 35.3411752714866, 136.734941688343 35.3411256383459, 136.734127960317 35.3412780163957, 136.734020238429 35.3408383163218, 136.733912226037 35.3404618578425, 136.735219838351 35.3402540587356, 136.735214540638 35.3402321373582, 136.735670682631 35.3401486890989, 136.735911944874 35.3401520129374, 136.735825595089 35.3404255208238)) ^^http://www.opengis.net/ont/geosparql#wktLiteral