メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.562115882067 39.595255853266, 140.561622212416 39.5951994640911, 140.561596391056 39.5951967296611, 140.560762413263 39.5951242394639, 140.56081488804 39.5949987494098, 140.560925905044 39.5948533408698, 140.560997553172 39.5948082951344, 140.561087894865 39.5947626588323, 140.561102275701 39.5945572097309, 140.561288502189 39.5945719648828, 140.561365839514 39.5940248014385, 140.56182298131 39.5940694617223, 140.561842259805 39.5939483979104, 140.562339328809 39.5939762934007, 140.562313061 39.5941057143813, 140.562115882067 39.595255853266)) ^^http://www.opengis.net/ont/geosparql#wktLiteral