メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.966169543266 34.8009173997713, 134.96532519078 34.8007631969497, 134.964749621845 34.800609561559, 134.962394551746 34.7998722265553, 134.96048517138 34.7992743866261, 134.960237321789 34.7985387013406, 134.960927509065 34.7980662170873, 134.961442944787 34.7975406854492, 134.961901316753 34.7969274116478, 134.967029270561 34.7980133605662, 134.966169543266 34.8009173997713)) ^^http://www.opengis.net/ont/geosparql#wktLiteral