メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.160093288174 35.1149553278167, 134.15965294031 35.1145317039083, 134.159878120052 35.1142043999393, 134.159959712804 35.1140519012519, 134.160111358605 35.1137213195398, 134.160166974076 35.1136030105871, 134.160614147597 35.1137685935219, 134.160628013556 35.1139460910792, 134.160093288174 35.1149553278167)) ^^http://www.opengis.net/ont/geosparql#wktLiteral