メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.392095517559 35.0163826957419, 138.390788091513 35.0147902510913, 138.390848521427 35.0147285385741, 138.390957478055 35.0147735652811, 138.391083192929 35.0148099432695, 138.391218364425 35.0148306951717, 138.391457319072 35.0148437889464, 138.391878629297 35.014857179058, 138.392486987906 35.0148822062362, 138.39266304654 35.014902991326, 138.39397850927 35.0152156002689, 138.395435237314 35.0155466228527, 138.397793387789 35.0160823207105, 138.397171529468 35.0163582412472, 138.396042908968 35.0168591809818, 138.394728411257 35.017442496146, 138.393419361815 35.0180175613892, 138.392910298626 35.0173884601812, 138.392924636712 35.0173142592177, 138.392145407195 35.0163547740264, 138.392095517559 35.0163826957419)) ^^http://www.opengis.net/ont/geosparql#wktLiteral