メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.112903442029 39.285173990637, 141.113610443215 39.2862054211988, 141.112930565422 39.2863870093166, 141.112173703948 39.2865681454984, 141.11131985206 39.2867555601238, 141.110486109713 39.2869622747102, 141.110468986956 39.2869665376353, 141.109070217829 39.2872912703497, 141.108997310698 39.2871461855047, 141.108717783186 39.2866784208688, 141.109889007804 39.2859629373363, 141.110747145427 39.2856070411976, 141.111423195814 39.2853459485536, 141.111967036429 39.2850984700865, 141.11266034307 39.2848010842406, 141.112903442029 39.285173990637)) ^^http://www.opengis.net/ont/geosparql#wktLiteral