メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.384659375414 43.7811114913784, 142.384266707505 43.7812402685202, 142.383824241771 43.781365092726, 142.383791055024 43.7813731485046, 142.383411745995 43.7814927992999, 142.382953140119 43.7816167242759, 142.382355850215 43.7805567717005, 142.381939155675 43.7798194063606, 142.381949740404 43.7798162303752, 142.38278315462 43.7795718409228, 142.383634275091 43.7793222555547, 142.383389798341 43.7788814403186, 142.384025829301 43.7787082762451, 142.384264388719 43.7791208622906, 142.385317531343 43.780922260001, 142.384681485438 43.7811034491358, 142.384659375414 43.7811114913784)) ^^http://www.opengis.net/ont/geosparql#wktLiteral