Freddy Dumortier Marc Gyssens Luc Vandeurzen Dirk Van Gucht On the Decidability of Semilinearity for Semialgebraic Sets and Its Implications for Spatial Databases - CORRIGENDUM. 557-562 1999 59 J. Comput. Syst. Sci. 3 db/journals/jcss/jcss59.html#DumortierGVG99a