メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.861255052937 35.1349492376078, 136.861217839097 35.1353364264866, 136.861180691999 35.1357229809089, 136.861182150327 35.1357229845866, 136.861158866234 35.1359548447807, 136.860654937415 35.1359423748926, 136.860597218703 35.1357131270669, 136.86056531576 35.1355558515535, 136.860508355805 35.1353075203605, 136.860434605793 35.1349926618303, 136.860357398089 35.1346630047841, 136.860926505771 35.1344428779358, 136.861133235576 35.1344314978054, 136.861305711405 35.1344220024373, 136.861255052937 35.1349492376078)) ^^http://www.opengis.net/ont/geosparql#wktLiteral