メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.177413983315 33.9778329425267, 131.177963912639 33.9777934081784, 131.178552157388 33.9777378379172, 131.179093401383 33.9776961155231, 131.179179033821 33.978574710206, 131.179196635479 33.978792921816, 131.179197674533 33.9788054684669, 131.179276630051 33.9797071212987, 131.177544450155 33.9798191580416, 131.176845167999 33.9798756631226, 131.176520446736 33.9799022131345, 131.176475818206 33.9794192256591, 131.176442249156 33.9789960560917, 131.176372696456 33.9790007087613, 131.176355363099 33.9788620923797, 131.176426985437 33.9788539338793, 131.17632323265 33.9779285586637, 131.177413983315 33.9778329425267)) ^^http://www.opengis.net/ont/geosparql#wktLiteral