メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.160883228141 34.6873827294018, 135.160827665093 34.6875566420064, 135.160747951975 34.6877712853549, 135.160679106566 34.6879813473613, 135.160131390543 34.6877777297253, 135.160122509909 34.6877079254206, 135.160286395778 34.6874521439353, 135.160618812547 34.6868594155542, 135.160706542328 34.6869016393792, 135.161029528383 34.6870053667859, 135.160954980598 34.6871906770766, 135.160933084955 34.6872492815132, 135.160883228141 34.6873827294018)) ^^http://www.opengis.net/ont/geosparql#wktLiteral