メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.686470234934 35.3146987676068, 136.686371310008 35.3146242236757, 136.68628212857 35.3145512667278, 136.685916456393 35.3142685588748, 136.685574363675 35.3145739668457, 136.684756201741 35.3139365139447, 136.684646768316 35.3131579198129, 136.68443661215 35.3121604783946, 136.685133392858 35.3127331557513, 136.686395053975 35.3137120684287, 136.686410196463 35.3138246620769, 136.686536352245 35.313929032343, 136.686678905061 35.3139338889323, 136.686710539453 35.3139383798962, 136.687077920839 35.3142156704104, 136.686470234934 35.3146987676068)) ^^http://www.opengis.net/ont/geosparql#wktLiteral