メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.161461891526 34.6871331397287, 135.161642471671 34.6871837457672, 135.161539880858 34.6875322176115, 135.161492021359 34.6876918518398, 135.161423694886 34.68795374579, 135.16134731812 34.6882292166558, 135.160679106566 34.6879813473613, 135.160747951975 34.6877712853549, 135.160827665093 34.6875566420064, 135.160883228141 34.6873827294018, 135.160933084955 34.6872492815132, 135.160954980598 34.6871906770766, 135.161029528383 34.6870053667859, 135.161461891526 34.6871331397287)) ^^http://www.opengis.net/ont/geosparql#wktLiteral