メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.829876936703 36.4606870436173, 139.830080727685 36.461540702692, 139.830163470349 36.4618430819263, 139.830281109474 36.4622730449446, 139.829167144689 36.4622701517029, 139.829027800207 36.4622699348643, 139.828582989284 36.4622652337076, 139.828104293485 36.4622601398327, 139.827906154409 36.4616471399181, 139.827869343831 36.4615332489957, 139.827850079073 36.4614736808442, 139.827676562203 36.4609368993707, 139.82757293421 36.4606128670913, 139.827530734314 36.4604809162654, 139.827475764561 36.4603090411096, 139.828286635627 36.4603750930141, 139.829832515781 36.4605009824079, 139.829876936703 36.4606870436173)) ^^http://www.opengis.net/ont/geosparql#wktLiteral