メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.077191854282 35.2385795603832, 137.076995806692 35.2390063972932, 137.076807795861 35.2394003528906, 137.076358368976 35.2403572258005, 137.075722798762 35.2400001217734, 137.075571843188 35.2399756417891, 137.075304251885 35.2399247348111, 137.075342768947 35.2392388307748, 137.075364228388 35.2384430527757, 137.07538072037 35.2380132655236, 137.075785577211 35.2380585710661, 137.07615150616 35.2381283533988, 137.076526514921 35.2382656081039, 137.07683404858 35.2384018966994, 137.077191854282 35.2385795603832)) ^^http://www.opengis.net/ont/geosparql#wktLiteral