メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.251164501948 33.9513634149677, 131.25117343781 33.9513577050112, 131.251862364821 33.9521252287022, 131.252292650638 33.9526409201993, 131.251600822111 33.9530912169693, 131.251082682259 33.9533991108137, 131.250488064756 33.9537595398217, 131.24989398052 33.9541326484292, 131.249815573503 33.9540433155232, 131.249437531781 33.9535766122058, 131.249209993039 33.9532940205411, 131.248815894112 33.9528262039508, 131.248303055648 33.9521840859555, 131.248862466041 33.9518028334582, 131.24887106911 33.9517966992498, 131.249754205115 33.9511859806034, 131.24985978397 33.9511061883585, 131.250064241388 33.9509565558284, 131.250544482613 33.9506344354909, 131.250696697872 33.9508134020172, 131.2509268073 33.9510839510155, 131.251164501948 33.9513634149677)) ^^http://www.opengis.net/ont/geosparql#wktLiteral