メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.080533317402 34.9883748898111, 137.080974389614 34.988738551005, 137.081255255945 34.9891468150076, 137.080792452618 34.9894014274007, 137.079988117001 34.9898154494205, 137.079205892526 34.9902102573191, 137.079048082955 34.9902840196973, 137.078282042857 34.9906912308874, 137.077772592492 34.9909646056644, 137.076972290734 34.9913618547515, 137.076675049681 34.9915006564982, 137.076673200458 34.9914997391852, 137.07616882512 34.9912763780293, 137.075729217524 34.9910727839597, 137.075318907347 34.9909027350761, 137.076188327637 34.9903664517928, 137.077008072967 34.9898458326435, 137.077477264195 34.9895372176441, 137.078148061855 34.9890959950121, 137.07882487004 34.9887163288635, 137.079061251387 34.9885873397446, 137.079286464113 34.9884639753787, 137.080093379535 34.9880158047331, 137.080533317402 34.9883748898111)) ^^http://www.opengis.net/ont/geosparql#wktLiteral