Context-Free Grammars: Exercise Generation and Probabilistic Assessment. - José João Almeida; Eliana Grande; Georgi Smirnov (SLATE, 2016)

Exercise Generation on Language Specification. - José João Almeida; Eliana Grande; Georgi Smirnov (WorldCIST (1), 2017)

On the Comparison of Context-Free Grammars. - José João Almeida; Eliana Grande; Georgi Smirnov (CoRR, 2017)

On solving cycle-free context-free grammar equivalence problem using numerical analysis. - José João Almeida; Eliana Grande; Georgi Smirnov (J. Comput. Lang., 2019)