メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.872250158254 38.123265693626, 140.872784311544 38.1243708221169, 140.872798276538 38.1244621867234, 140.87289570197 38.1247078241143, 140.873154059753 38.1253588695417, 140.873254229174 38.1256115444664, 140.873794469442 38.1269291098389, 140.873472841396 38.1269721580681, 140.872662649233 38.1269425802529, 140.872586673153 38.1269216275293, 140.872012973797 38.1257012093027, 140.871694284707 38.1250369473153, 140.871492066327 38.1246155024114, 140.871014437551 38.1235998917324, 140.870318650088 38.1221463662048, 140.870310429517 38.1221290529171, 140.871618201233 38.1217972277268, 140.872038635342 38.1227183900078, 140.872250158254 38.123265693626)) ^^http://www.opengis.net/ont/geosparql#wktLiteral