Automatic answer assessment systems typically apply semantic similarity methods where student responses are compared with some reference answers in order to access their correctness. But student responses in dialogue based tutoring systems are often grammatically and semantically incomplete and additional information (e.g., dialogue history) is…

In this paper, the author explains the simplification of a theory of punctuation for college-level instruction. He describes a systematization of the punctuation marks that has pedagogical possibilities. He concludes by stressing that the notion of a hierarchy of punctuation marks is not a difficult one for college students; after all, the…