メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.111643190845 37.8756558707459, 139.112332622567 37.8758850088197, 139.112528393953 37.8758901872265, 139.113631761555 37.8759704677623, 139.113067528847 37.87648895522, 139.112215813338 37.8772637522728, 139.112013748438 37.8774534513535, 139.11181647477 37.8776315813855, 139.11158279311 37.8778427042801, 139.111423155659 37.8779868503101, 139.111176515983 37.8782207067331, 139.111124724481 37.8782725011407, 139.110582450694 37.8788139554108, 139.109856286908 37.8783062417285, 139.109204680627 37.8778568472151, 139.108486907533 37.8773519000935, 139.10893607583 37.8763377642233, 139.108708150561 37.8762670014998, 139.10875530732 37.8761808783565, 139.108975773378 37.8757780838442, 139.109026558791 37.8756851842166, 139.109436822545 37.8749356420278, 139.111643190845 37.8756558707459)) ^^http://www.opengis.net/ont/geosparql#wktLiteral