メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.626300964896 34.5352692558924, 136.625960178955 34.5355866710804, 136.625416374613 34.5357066506039, 136.625662196051 34.5343439722454, 136.626183076172 34.5314515455203, 136.626481408413 34.5319171118313, 136.626762108499 34.5322781078956, 136.626965472337 34.532437505891, 136.62725235669 34.5324987171669, 136.627715858279 34.5325173262432, 136.628608224648 34.5341126386194, 136.628767960297 34.5344677716725, 136.627548593744 34.5345732032051, 136.627462426148 34.5347043643228, 136.627054494655 34.5347830856986, 136.626300964896 34.5352692558924)) ^^http://www.opengis.net/ont/geosparql#wktLiteral