メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.85569128747 35.4237655325413, 136.855495064629 35.4237171061218, 136.855052582302 35.4235053755687, 136.854653345238 35.4233130145767, 136.853836390676 35.4229306706234, 136.853993942308 35.4227396070406, 136.853932437074 35.4213363640878, 136.855725952276 35.4212617342901, 136.855781925326 35.4218515399075, 136.855790115421 35.4220037383309, 136.855669299037 35.4225095000731, 136.855574374749 35.4235355208974, 136.85569128747 35.4237655325413)) ^^http://www.opengis.net/ont/geosparql#wktLiteral