... that re-gards the pseudo-errors and the real-errors as thesource and the target domain, respectively, so thatthe pseudo-errors better match the real-errors.2 Error Correction by DiscriminativeSequence ... preposition/article error correction inEnglish. For English error correction, many stud-ies employ classifiers, which select the appropriateprepositions/articles, by restricting the error typesto articles and ... pseudo-errors to the real-errors, we apply a do-main adaptation technique. Namely, we regard thepseudo -error corpus as the source domain and thereal -error corpus as the target domain, and modelsare...