メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.993779121828 34.9844612730049, 134.993863240062 34.9847385124175, 134.992760518811 34.9851605854474, 134.992260794987 34.9849368710008, 134.992383115989 34.984670201768, 134.992731590407 34.9846853562152, 134.99295220611 34.9846931740731, 134.993163822373 34.9846668123002, 134.993385081874 34.9846162409926, 134.993611520196 34.984528667185, 134.993779121828 34.9844612730049)) ^^http://www.opengis.net/ont/geosparql#wktLiteral