メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.403046020355 37.4131952000387, 140.40140529601 37.4134220186311, 140.401235172887 37.4126523805828, 140.401098115279 37.4119893082999, 140.40095224114 37.4113911889551, 140.402239356174 37.4111912787492, 140.40278734816 37.4111110666542, 140.403014710759 37.4120831779811, 140.402826364061 37.412111397692, 140.403046020355 37.4131952000387)) ^^http://www.opengis.net/ont/geosparql#wktLiteral