メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((132.936713571447 32.9989198158149, 132.93619147828 32.9989245499384, 132.935565937636 32.9989273189807, 132.935468218817 32.9975620029275, 132.936731090068 32.997455002956, 132.936712343138 32.9980228018374, 132.936713571447 32.9989198158149)) ^^http://www.opengis.net/ont/geosparql#wktLiteral