メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((128.770266209791 32.6151443861625, 128.770069824102 32.6152686928708, 128.770038886535 32.6152855634849, 128.76986998348 32.6153774797178, 128.769814094009 32.6153094492627, 128.769541852981 32.615045886481, 128.76959028373 32.6149969558136, 128.769633237068 32.6149560935214, 128.769602796645 32.6149321740613, 128.769692612631 32.6148507201051, 128.769986196321 32.6145970231483, 128.770588860425 32.6149402089945, 128.770555056291 32.614961607406, 128.770306792431 32.6151187290029, 128.770266209791 32.6151443861625)) ^^http://www.opengis.net/ont/geosparql#wktLiteral