Keita Uchiyama Masahiko Sakai Toshiki Sakabe Decidability of Innermost Termination and Context-Sensitive Termination for Semi-Constructor Term Rewriting Systems. 21-34 2008 204 Electr. Notes Theor. Comput. Sci. http://dx.doi.org/10.1016/j.entcs.2008.03.051 db/journals/entcs/entcs204.html#UchiyamaSS08