Shota Koyama


2023

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The Tokyo Tech and AIST System at the GenChal 2022 Shared Task on Feedback Comment Generation
Shota Koyama | Hiroya Takamura | Naoaki Okazaki
Proceedings of the 16th International Natural Language Generation Conference: Generation Challenges

This paper describes the Tokyo Tech and AIST system in the GenChal 2022 shared task, which is the first shared task of feedback comment generation. We adopted five methods: data cleaning, fine-tuning pre-trained models, correcting errors in learners’ sentences, appending a correcting operation, and filtering out irrelevant outputs. Our system achieved F1 = 43.4 on the test dataset.

2021

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Various Errors Improve Neural Grammatical Error Correction
Shota Koyama | Hiroya Takamura | Naoaki Okazaki
Proceedings of the 35th Pacific Asia Conference on Language, Information and Computation