メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.628051522559 35.3626670702983, 136.627174624378 35.362661044885, 136.627059147633 35.3619392016665, 136.627057257731 35.3619260247491, 136.62788804814 35.3618707199806, 136.62793168734 35.3620245039914, 136.628021901149 35.3622916620002, 136.628049380731 35.3626402298737, 136.628051522559 35.3626670702983)) ^^http://www.opengis.net/ont/geosparql#wktLiteral