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NLP for second language learners

NLP for Japanese as a second language learners

Error type prediction

We annotated a Japanese learner corpus and  built a machine learning-based error type prediction model for Japanese learners writing.

NLP for English as a second language learners

Decoy generation

We extracted word choice error knowledge from a language exchange SNS called Lang-8 to automatically generate English vocabulary quiz. This research is partially supported by MSR Japan CORE Project.