メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.783435401069 35.4528018264412, 136.783455109204 35.452901710937, 136.783479227514 35.4530880520798, 136.783519888264 35.4532161358402, 136.783571627917 35.4533861880865, 136.783601208724 35.4534825098045, 136.783610777312 35.4535705656175, 136.783570363454 35.4536543429208, 136.78340239285 35.4536494453468, 136.783303649005 35.4534825178185, 136.783367129509 35.4534531079941, 136.783129053892 35.4530857809588, 136.78315211862 35.4529858896841, 136.783251812465 35.45296029077, 136.783234242 35.4528454490247, 136.783435401069 35.4528018264412)) ^^http://www.opengis.net/ont/geosparql#wktLiteral