メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.955756309129 35.234825379419, 136.956335967306 35.2352758351693, 136.956242093785 35.2359513866648, 136.956112535542 35.2370057812863, 136.955486566014 35.2369488740649, 136.954858542197 35.2368900598559, 136.954989627519 35.2358317216499, 136.955045479013 35.2354225579723, 136.95512360228 35.234766272367, 136.955756309129 35.234825379419)) ^^http://www.opengis.net/ont/geosparql#wktLiteral