メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.630585294583 38.0126650111402, 140.630568242505 38.0127825349118, 140.630396982916 38.0128088477357, 140.630346330514 38.0128421265062, 140.630292954941 38.0128708946439, 140.630146998467 38.0128927456777, 140.630026435737 38.012877052234, 140.629956335332 38.0128569398189, 140.629928304569 38.0128259194236, 140.629892155261 38.0127149208601, 140.629831248511 38.0125474261937, 140.629817425891 38.0125186828057, 140.62983985825 38.012522803991, 140.629988299113 38.0125433327941, 140.630135514743 38.0125568206474, 140.630344041388 38.0125996956614, 140.63035421488 38.0126289958203, 140.63037591199 38.0126502914777, 140.630391261209 38.0126574980099, 140.630585294583 38.0126650111402)) ^^http://www.opengis.net/ont/geosparql#wktLiteral