メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.741341918454 35.4133747724655, 136.741326092915 35.4134153494374, 136.741144666597 35.4133687620026, 136.741151453028 35.4133295963618, 136.740484945495 35.4131812667124, 136.740569179055 35.4129643865993, 136.740502820363 35.4129389770357, 136.740106198355 35.4128725452791, 136.740152872813 35.4126580676559, 136.740471356993 35.4127226743392, 136.740700278318 35.412725523586, 136.740724668162 35.412773953499, 136.741293854562 35.4129200726008, 136.741266335707 35.4130006083065, 136.741443350927 35.4130435537453, 136.741341918454 35.4133747724655)) ^^http://www.opengis.net/ont/geosparql#wktLiteral