メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.337282944889 40.6671995448972, 141.336943068941 40.6675347488103, 141.336127353883 40.6683308489744, 141.336020843377 40.6684213746982, 141.333836848228 40.666729190603, 141.332390602532 40.6656226979727, 141.331839941296 40.6652186741004, 141.333647115506 40.6634262899828, 141.335793002614 40.661304171757, 141.338105953052 40.6627157218307, 141.340695218701 40.6642413316879, 141.340441098788 40.6644213059023, 141.340012079663 40.6646638244719, 141.339733988023 40.6648815446009, 141.339427880175 40.6651214106234, 141.339093309075 40.6653791319236, 141.338797405793 40.6656493474168, 141.338105238792 40.6663668893518, 141.33769057684 40.6667701814692, 141.337282944889 40.6671995448972)) ^^http://www.opengis.net/ont/geosparql#wktLiteral