メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.685697603216 34.8354507082785, 134.685366489661 34.8355376640434, 134.685107184508 34.8347818045632, 134.685479626051 34.8346975464394, 134.685697603216 34.8354507082785)) ^^http://www.opengis.net/ont/geosparql#wktLiteral