メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.700040057274 34.8305377219708, 134.698379468611 34.8306951460326, 134.698368674078 34.8298198196119, 134.699557243489 34.829541277315, 134.699590767184 34.8295320204204, 134.700040057274 34.8305377219708)) ^^http://www.opengis.net/ont/geosparql#wktLiteral