メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.577028155963 36.4703356037315, 136.577603119468 36.4712417981721, 136.575694093031 36.47209941653, 136.574587491942 36.4705514961108, 136.574870571629 36.4704740790984, 136.575149280869 36.4703978726075, 136.575322845102 36.4703405077515, 136.575467719752 36.4702613481116, 136.575556835137 36.470195221099, 136.575662820034 36.4700826374708, 136.575703705067 36.4699904663012, 136.575720874993 36.4698990572438, 136.575722300934 36.4697107970428, 136.575722916425 36.46962951559, 136.576017652315 36.4694566489188, 136.576260412001 36.4693440740692, 136.576317405281 36.4693176373343, 136.576347892817 36.4693034969672, 136.576594949952 36.4696773069261, 136.576703741513 36.4698158425372, 136.577028155963 36.4703356037315)) ^^http://www.opengis.net/ont/geosparql#wktLiteral