メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.223139871564 36.6863988444742, 137.223681802937 36.6864464605964, 137.224627474419 36.6865457686599, 137.225052591647 36.6865871001433, 137.225060521242 36.6866946045052, 137.225097220259 36.6867662598572, 137.225173178474 36.6868547211034, 137.225209847386 36.6868989875021, 137.225229537763 36.6869695949948, 137.225216709159 36.6871579354146, 137.225231364464 36.6876450641596, 137.225229430822 36.6876794220412, 137.22462420393 36.6876615537066, 137.223883966642 36.6875862261965, 137.223464811223 36.6875515057902, 137.222863952104 36.6874919465624, 137.222639731918 36.6875478825352, 137.222619309244 36.6874074348393, 137.222572472304 36.6872215166103, 137.222554866134 36.6871516125475, 137.222508350421 36.6869277451402, 137.222501129722 36.6868929680947, 137.22250807213 36.6866255662498, 137.222538292838 36.6864603102877, 137.222561441303 36.6863480025415, 137.2225638809 36.6863361742471, 137.223139871564 36.6863988444742)) ^^http://www.opengis.net/ont/geosparql#wktLiteral