メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.904823236013 35.027866823377, 136.905142134576 35.0288069304998, 136.905499199432 35.0298280393126, 136.905939048477 35.0310926480564, 136.906085632753 35.0315254513744, 136.904182687344 35.0319372454576, 136.903594926227 35.0320663400114, 136.903383287823 35.0316402232817, 136.903291305084 35.0314207860805, 136.903192572806 35.031123301669, 136.903035816067 35.0305905358193, 136.902991266616 35.030357466921, 136.902325429732 35.0280565872706, 136.902888520325 35.0278974443307, 136.904659114323 35.0274405298029, 136.904823236013 35.027866823377)) ^^http://www.opengis.net/ont/geosparql#wktLiteral