メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.905732269217 35.2110171616442, 136.905697053673 35.2113240694711, 136.905289394726 35.211285506653, 136.904992711148 35.2112186622199, 136.904627683676 35.2111246942611, 136.903706969923 35.2108223912341, 136.90367887245 35.2104804856984, 136.904068986767 35.2105964831574, 136.904618850323 35.2107545896076, 136.904712065907 35.2108062038427, 136.904935301984 35.2108777488795, 136.905169931446 35.2109352331972, 136.905412492463 35.2109878745959, 136.905732269217 35.2110171616442)) ^^http://www.opengis.net/ont/geosparql#wktLiteral