メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.609451294916 33.5834898472941, 130.603712027751 33.5839069618137, 130.601602066947 33.5822696090751, 130.605067070595 33.5769469039046, 130.605725059683 33.5759353104472, 130.606039725864 33.5754515500663, 130.607189781248 33.5737247089163, 130.608100158823 33.5745172348425, 130.6160305152 33.5760953228958, 130.615721752728 33.5793553722813, 130.615659433137 33.5793836380892, 130.615371040032 33.5795403976232, 130.615134379775 33.5796455769306, 130.613359706181 33.5807887826341, 130.611997961498 33.5817074125673, 130.609451294916 33.5834898472941)) ^^http://www.opengis.net/ont/geosparql#wktLiteral