Xuanxin Wu
吴璇歆
ゴセンキン
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I am a Ph.D. student at The University of Osaka and Institute of Science Tokyo under Professor Yuki Arase. My research focuses on Natural Language Processing (NLP) for language education. Before starting my Ph.D. in Computer Science, I received the M.A. Degree in Linguistics from The University of Osaka in 2023, under the supervision of Professor Takeshi Yamamoto and Associate Professor Akitaka Yamada.
I am a Ph.D. student at The University of Osaka and Institute of Science Tokyo under Professor Yuki Arase. My research focuses on Natural Language Processing (NLP) for language education. Before starting my Ph.D. in Computer Science, I received the M.A. Degree in Linguistics from The University of Osaka in 2023, under the supervision of Professor Takeshi Yamamoto and Associate Professor Akitaka Yamada.
Email: xuanxin.wu@ist.osaka-u.ac.jp
Email: xuanxin.wu@ist.osaka-u.ac.jp
Professional Experience
Professional Experience
2025.05 - Present: Collaborator @NTT Inc., NTT Communication Science Laboratories (Advisor: Masaaki Nagata), Kyoto, Japan
2024.11- Present: Research Assistant @Institute of Science Tokyo, Arase Lab, Tokyo, Japan
2025.02-2025.03: Research Internship @NTT Inc., NTT Communication Science Laboratories (Advisor: Masaaki Nagata), Kyoto, Japan
2024.01-2024.09: Research Assistant @The University of Osaka, Onizuka Lab, Osaka, Japan
Publications
Publications
2026
Hui Huang, Xuanxin Wu, Muyun Yang, Yuki Arase. Reasoning Model Is Superior LLM-Judge, Yet Suffers from Biases. arXiv. [arXiv]
2025
Xuanxin Wu, Yuki Arase, Masaaki Nagata. Policy-based Sentence Simplification: Replacing Parallel Corpora with LLM-as-a-Judge. arXiv. [arXiv]
Xuanxin Wu, Yuki Arase. An In-depth Evaluation of Large Language Models in Sentence Simplification with Error-based Human Assessment. ACM Transactions on Intelligent Systems and Technology (ACM TIST). [arXiv][paper][data]
2022
Xuanxin Wu, Akitaka Yamada. Acquisition of Standard Chinese Neutral Tone under Variation Theory: A comparison of Beijing Mandarin speakers and Cantonese speakers. The 165th Meeting of the Linguistic Society of Japan (JST) (Outstanding Paper Award🎉).[paper]
Education
Education
2023.04 - Present: Ph.D., The University of Osaka, Computer Science
2024.11- Present: Special Research Student, Institute of Science Tokyo, Computer Science
2021.04- 2023.03: Master, The University of Osaka, Linguistics
2015.09-2019.06: Bachelor, Dongbei University of Finance and Economics, International Business and Languages
Fellowship & Scholarship
Fellowship & Scholarship
2023.04 - Present: Japan Science and Technology Agency (JST), Fellowship for Integration of Knowledge with Society (~2.6 million JPY per year)
2018: Dongbei University of Finance and Economics, University’s First-Class Scholarship for Outstanding Performance
2017: Dongbei University of Finance and Economics, University’s Second-Class Scholarship for Outstanding Performance
Awards
Awards
2022.11: Outstanding Paper Award, The 165th Meeting of the Linguistic Society of Japan (JST)
2018: Second Prize, The 29th Dalian "Canon Cup" Japanese Speech Contest
A little bit about me out of the academy...
A little bit about me out of the academy...
I was a professional radio DJ at FM COCOLO in Osaka, where I hosted a weekly Chinese–Japanese program from 2020 to 2024.
I do freelance work as an international talent. Mainly TV guest and cast member. Examples: [video1] [video2]
I like boxing🥊🥊🥊. I train professionally two to three times a week. If I don’t get my PhD, I might end up becoming a boxer.
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