メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.329151514432 43.043904128848, 141.329133729294 43.0441764437621, 141.329099598644 43.0445221194906, 141.329059496599 43.0448438364166, 141.329023143525 43.045049539018, 141.327252750499 43.0449342821663, 141.327340379238 43.0444044939439, 141.327406976315 43.0440365741365, 141.327438580051 43.0437831494312, 141.327500220036 43.043342538169, 141.329221402971 43.0434753982903, 141.329151514432 43.043904128848)) ^^http://www.opengis.net/ont/geosparql#wktLiteral