メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.781369213217 35.6919531889306, 139.782269683888 35.6925559789683, 139.78237567641 35.6926317606854, 139.78325246714 35.6933496680527, 139.784271689262 35.6941910033877, 139.785023920757 35.6948117655378, 139.784390915607 35.6948914750029, 139.78367272281 35.6949971962742, 139.782872718911 35.6951036880499, 139.782807776182 35.6946916378431, 139.782748109133 35.6946486210479, 139.782211663181 35.6942618968679, 139.782204285948 35.6942565422999, 139.781181434989 35.6935145495929, 139.781162942014 35.6935011273788, 139.78043318053 35.6929564646523, 139.78039257438 35.6929290189648, 139.780292923067 35.6928616182998, 139.780315920208 35.6927923007053, 139.780553794576 35.6925391558948, 139.780834648507 35.6922402661895, 139.780896376703 35.692182655337, 139.780910036495 35.6921600207779, 139.781198285489 35.6918559353244, 139.781207323642 35.6918463973907, 139.781369213217 35.6919531889306)) ^^http://www.opengis.net/ont/geosparql#wktLiteral