📢I'm actively looking for research positions in academia or industry starting in April 2026.Please feel free to contact me if you are interested in my research.

I am Ryuto, a final-year PhD student (est. March 2026) at theInstitute of Science Tokyo, advised by Prof.Naoaki Okazaki.During my PhD, I have engaged in multiple research projects with leading scholars in NLP, including Prof.Chris Callison-Burch atPenn NLP (as a visiting student) and Prof.Preslav Nakov atMBZUAI NLP (remote). In addition to my PhD research, I am involved as a research advisor for astartup on multi-lingual text generation.

I am passionate about making AI systems actually work in the real world, with my primary research focus onTrustworthy NLP. My work includes modelrobustness, the creation ofinterpretable NLP systems, ensuringthe safe application of LLMs, andrigorous evaluation grounded in the wild. Currently, I am exploring the automated detection of AI‑generated content, specifically on building deployable detectors in practical scenarios with minimum harm.

• Personal website:https://ryuryukke.github.io/
• Twitter:@sponddd
• email: my_first_name.my_last_name[at]nlp.c.titech.ac.jp

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1. OUTFOXOUTFOXPublic

   [AAAI 2024] The official repository for our paper, "OUTFOX: LLM-Generated Essay Detection Through In-Context Learning with Adversarially Generated Examples"

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2. HowYouPromptMattersHowYouPromptMattersPublic

   [EMNLP 2024] The official repository for our long paper, "How You Prompt Matters! Even Task-Oriented Constraints in Instructions Affect LLM-Generated Text Detection"

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