メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.631827691356 35.0787715275564, 136.632988167074 35.079364014967, 136.633186099519 35.0794238282795, 136.634882203214 35.0795839748669, 136.635334964692 35.0796222374591, 136.635221304702 35.0798188966702, 136.635042583749 35.0801107598482, 136.634675512146 35.0805184014654, 136.634242964009 35.0809738512629, 136.633736755077 35.0814769403751, 136.633278179976 35.0812256669491, 136.632212646879 35.0806834645758, 136.631973174694 35.0805697798955, 136.631733546397 35.0804357427699, 136.63087465865 35.0800141442742, 136.630395521673 35.0797664170729, 136.631365102439 35.0785304785345, 136.631827691356 35.0787715275564)) ^^http://www.opengis.net/ont/geosparql#wktLiteral