メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.913110922935 35.0760118124795, 136.913134628034 35.0761607437333, 136.913175626535 35.0764184498696, 136.913250122934 35.0768866612669, 136.912639941623 35.0769253270662, 136.912260913503 35.0769474982676, 136.911945652527 35.0769658563533, 136.911721533212 35.0769789814209, 136.911538932094 35.0760087540954, 136.911509661491 35.0758531907611, 136.911468737197 35.0756357681939, 136.91172887446 35.0756646932431, 136.913081881742 35.0758292059055, 136.913110922935 35.0760118124795)) ^^http://www.opengis.net/ont/geosparql#wktLiteral