Arboretum: Using a precision grammar for grammar checking in CALL
Emily M. Bender, Dan Flickinger, Stephan Oepen, A Walsh, Timothy J. Baldwin · 2004
We present a tutorial system for language learners, using a computational grammar augmented with mal-rules for analysis, error diagnosis, and semantics-centered generation of corrected forms. Corrections are produced using a novel strategy of aligned generation. 1