メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.869823971708 35.2322484890443, 136.870199121764 35.232269341361, 136.8709441463 35.2323223687218, 136.871313656584 35.2323541201319, 136.871707609004 35.2324267760058, 136.871364980082 35.2331512416562, 136.871171131157 35.2336876140692, 136.87100892889 35.2342476551708, 136.870485624581 35.2342856689285, 136.870454950943 35.2342881996803, 136.870118772068 35.234304697705, 136.869469840226 35.2342753540093, 136.869268950296 35.2342869725278, 136.868757397982 35.2342735971254, 136.868779638144 35.2339787843671, 136.868811912423 35.2335339208619, 136.868863222796 35.2330943164098, 136.868927782984 35.2322011385463, 136.869823971708 35.2322484890443)) ^^http://www.opengis.net/ont/geosparql#wktLiteral