メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.549070327277 34.0649410550501, 134.548061545849 34.0649783368686, 134.547998631076 34.0637324794882, 134.548364113127 34.0637191929634, 134.548715050919 34.0637064316271, 134.549034246638 34.0637037059826, 134.549070327277 34.0649410550501)) ^^http://www.opengis.net/ont/geosparql#wktLiteral