メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.134038613966 34.6596591315281, 135.134527074713 34.6599669317964, 135.134370385592 34.6601234689541, 135.13404547107 34.6603712607454, 135.133715859362 34.6606979625952, 135.133134016929 34.6603231609543, 135.132777251397 34.6600956244451, 135.133014655656 34.6598236198061, 135.133481496745 34.6593021986311, 135.134038613966 34.6596591315281)) ^^http://www.opengis.net/ont/geosparql#wktLiteral