Ayana Niwa

Ayana Niwa

Research Scientist at Megagon Labs Tokyo
Part-time Researcher at Tokyo Institute of Technology

Research Interest: Natural Language Generation (NLG)

My CV can be found here (last updated: Mar. 15, 2024).

Work Experience

Publication

Journal (Refereed)

• Ayana Niwa, Sho Takase, Naoaki Okazaki. Nearest Neighbor Non-autoregressive Text Generation. Journal of Information Processing, 2023. URL
• Ayana Niwa, Naoaki Okazaki, Kohei Wakimoto, Keisuke Nishiguchi, Masataka Mouri. Construction of a Corpus of Rhetorical Devices in Slogans and Structural Analysis of Antitheses. ACM Transactions on Asian Low-Resource Language Information Processing (TALLIP), 2021. URL

International Conference (Refereed)

• Masahiro Kaneko, Sho Takase, Ayana Niwa, Naoaki Okazaki. Interpretability for Language Learners Using Example-Based Grammatical Error Correction. Proceedings of the 60th Annual Conference of the Association for Computational Linguistics (ACL), 2022. URL
• Ayana Niwa, Keisuke Nishiguchi, Naoaki Okazaki. Predicting Antonyms in Context using BERT. Proceedings of the 14th International Conference on Natural Language Generation (INLG2021), , 2021. URL

Preprint

• Ayana Niwa, Hayate Iso. AmbigNLG: Addressing Task Ambiguity in Instruction for NLG. arxiv preprint, 2024. Paper

Article

• Ayana Niwa, Sho Yokoi, Junya Takayama, Itsumi Saito. NLP Colloquium. Journal of Natural Language Processing, 2024. Paper

Domestic Conference and Symposium (Unrefereed)

• Ayana Niwa, Hayate Iso. Addressing Ambiguity in Instruction for NLG. The 30th Annual Meeting of the Association of Natural Language Processing (NLP2024), Hyogo, Japan. (in Japanese) Paper
• Ayana Niwa, Naoaki Okazaki. An Investigation of Effectiveness of the Nearest Neighbor Distribution in T5 Model. The 29th Annual Meeting of the Association for Natural Language Processing (NLP2023), Okinawa, March 2023. (in Japanese) Paper
• Daisuke Taniguchi, Kohei Wakimoto, Ayana Niwa, Naoaki Okazaki. An Investigation of the Directional Dependency of Text Generation in Large Language Models. The 29th Annual Meeting of the Association for Natural Language Processing (NLP2023), Okinawa, March 2023. (in Japanese) Paper
• Daisuke Taniguchi, Kohei Wakimoto, Kazuya Kuroda, Shunyo Kawamoto, Keisuke Nishiguchi, Ayana Niwa, Naoaki Okazaki. Advertisement text creation support using product reviews and features. The 36th Annual Conference of the Japanese Society for Artificial Intelligence (JSAI2023), Online, June 2023. (in Japanese) Paper
• Ayana Niwa, Sho Takase, Naoaki Okazaki. Non-autoregressive Generation using the Nearest Neighbor. The 28th Annual Meeting of the Association for Natural Language Processing (NLP2022), online, March 2022. (in Japanese) Paper
• Ryogo Ishikawa, Ayana Niwa, Mizuki Sakae, Naoaki Okazaki. Robust Dependency Parsing for the Omission of a Post-positional Particle using Pseudo Training Data. The 28th Annual Meeting of the Association for Natural Language Processing (NLP2022), online, March 2022. (in Japanese) Paper
• Ayana Niwa, Hiroshi Matsuda. A Study for Sentiment Analysis Accepting the Diverse of Emotion Sensitivities. The 35th Annual Conference of the Japanese Society for Artificial Intelligence (JSAI2021), online, June 2021. (in Japanese) Paper
• Ayana Niwa, Keisuke Nishiguchi, Naoaki Okazaki. Antonym Filling Task in Context using BERT. The 27th Annual Meeting of the Association for Natural Language Processing (NLP2021), online, March 2021. (in Japanese) Paper
• Natsumi Nobori, Tatsuya Hiraoka, Ayana Niwa, Keisuke Nishiguchi, Naoaki Okazaki. Advertisement Slogan Generation Considering Company Information. The 27th Annual Meeting of the Association for Natural Language Processing (NLP2021), online, March 2021. (in Japanese) Paper
• Ayana Niwa, Keisuke Nishiguchi, Naoaki Okazaki. Advertising Slogan Generation with Antitheses by using Masked Language Models. The 15th Symposium of Young Researcher Association for NLP Studies (YANS2020), online, September 2020. (in Japanese)
• Natsumi Nobori, Tatsuya Hiraoka, Ayana Niwa, Keisuke Nishiguchi, Naoaki Okazaki. Advertisement Slogan Generation Considering Company Information. The 15th Symposium of Young Researcher Association for NLP Studies (YANS2020), online, September 2020. (in Japanese)
• Ayana Niwa, Kohei Wakimoto, Keisuke Nishiguchi, Masataka Mouri, Naoaki Okazaki. Structural Analysis of Antitheses in Slogan using Span Candidate Refinement with Word Correspondence. The 34th Annual Conference of the Japanese Society for Artificial Intelligence (JSAI2020), Kumamoto online, June 2020. (in Japanese) URL
• Ayana Niwa, Kohei Wakimoto, Keisuke Nishiguchi, Masataka Mouri, Naoaki Okazaki. Structural Analysis of Antitheses in Advertising Slogans. The 26th Annual Meeting of the Association for Natural Language Processing (NLP2020), Ibaraki online, March 2020. (in Japanese) Paper
• Ayana Niwa, Naoaki Okazaki, Keisuke Nishiguchi, Chihiro Kameyama, Masataka Mouri. A Study Toward Automatic Advertising Slogan Generation Considering Rhetorical Devices. The 14th Symposium of Young Researcher Association for NLP Studies (YANS2019), Hokkaido, August 2019. (in Japanese) Poster
• Ayana Niwa, Naoaki Okazaki, Keisuke Nishiguchi, Chihiro Kameyama, Masataka Mouri. Analysis Toward Automatic Generation of Advertising Slogans. The 25th Annual Meeting of the Association for Natural Language Processing (NLP2019), Aichi, March 2019. (in Japanese) Paper

Education

Talk

• "The Frontiers of Mathematics, Information, and AI". Guest talk at online seminar for middle and high-school female students by AIP RIKEN. (2022/11) YOUTUBE
• "Career Path as a Female Researcher". Guest talk at NeurIPS Meetup Japan 2021, Women in Machine Learning (WiML). ( 2021/12 )
• "Derivation and Use of Templates in Natural Language Generation". Invited talk at Special Interest Group on Fundamental Problems in Artificial Intelligence (SIG-FPAI). (2021/11) INFO
• "Trends in Natural Language Processing at NeurIPS 2019". Invited talk at The 78th AI seminar by JSAI. (2020/03) SpeakerDeck
• "A Smart Computer that Understands Language". A visiting lecture at Jissen Gakuen Senior High School. (2019/11 )
• "Natural Language Processing". A visiting lecture at Denenchofu High School. (2019/06)

Committee

• The Japanese Society for Artificial Intelligence (JSAI) Planning committee (2024/05 -)
• 17th International Natural Language Generation Conference (INLG2024) Local Organizer (2024)
• 30th Annual Meeting of the Language Processing Society of Japan (NLP2024) Executive Committee (2024)
• NLP Colloquium Organizer (2021/06 - ) Twitter Youtube
• NLP Study Group for Doctoral Students Organizer (2020/12 - 2023/03)
• Young Researcher Association for NLP Studies (YANS) Commitee (2020/03 - 2022/03)

Others