Hiroyuki Otomo
About
I am a software engineer at CyberAgent, Inc. I received a Master of Engineering from the Nara Institute of Science and Technology, and a Bachelor of Policy and Planning Sciences from the University of Tsukuba. My interests include natural language processing, machine learning operations (i.e., MLOps) and AI agents.
Work Experience
- Apr 2023 – present
- Software Engineer, CyberAgent, Inc.
- Mar 2023
- Machine Learning Engineer (Part-time), CyberAgent, Inc.
- Aug – Sep 2022
- Machine Learning Engineer (Part-time), CyberAgent, Inc.
- Apr 2022 – Mar 2023
- Research Assistant, Nara Institute of Science and Technology
- Sep 2021
- Internship, Nikkei, Inc.
- Jun – Sep 2020
- Research Assistant, University of Tsukuba
- Dec 2018 – Jun 2020
- Internship, SOFTBRAIN Co., Ltd.
Education
- Mar 2023
- Master of Engineering, Nara Institute of Science and Technology
- Sep 2020
- Bachelor of Policy and Planning Sciences, University of Tsukuba
Publications
International Conferences / Workshops
- AAAI 2026
- VIR-Bench: Evaluating Geospatial and Temporal Understanding of MLLMs via Travel Video Itinerary Reconstruction
Hao Wang, Eiki Murata, Lingfang Zhang, Ayako Sato, So Fukuda, Ziqi Yin, Wentao Hu, Keisuke Nakao, Yusuke Nakamura, Sebastian Zwirner, Yi-Chia Chen, Hiroyuki Otomo, Hiroki Ouchi, Daisuke Kawahara (to appear)
- ACL 2025
- Graph-Structured Trajectory Extraction from Travelogues
Aitaro Yamamoto, Hiroyuki Otomo, Hiroki Ouchi, Shohei Higashiyama, Hiroki Teranishi, Hiroyuki Shindo, Taro Watanabe
- EACL 2024
- Arukikata Travelogue Dataset with Geographic Entity Mention, Coreference, and Link Annotation
Shohei Higashiyama, Hiroki Ouchi, Hiroki Teranishi, Hiroyuki Otomo, Yusuke Ide, Aitaro Yamamoto, Hiroyuki Shindo, Yuki Matsuda, Shoko Wakamiya, Naoya Inoue, Ikuya Yamada, Taro Watanabe (Findings)
Preprints
- arXiv 2024
- Graph-Structured Trajectory Extraction from Travelogues
Aitaro Yamamoto, Hiroyuki Otomo, Hiroki Ouchi, Shohei Higashiyama, Hiroki Teranishi, Hiroyuki Shindo, Taro Watanabe
- arXiv 2023
- Arukikata Travelogue Dataset with Geographic Entity Mention, Coreference, and Link Annotation
Shohei Higashiyama, Hiroki Ouchi, Hiroki Teranishi, Hiroyuki Otomo, Yusuke Ide, Aitaro Yamamoto, Hiroyuki Shindo, Yuki Matsuda, Shoko Wakamiya, Naoya Inoue, Ikuya Yamada, Taro Watanabe
Domestic Conferences / Workshops
- NLP 2024
- 移動軌跡解析：文章中の人物の地理的な移動を読み取る
山本和太郎, 大友寛之, 大内啓樹, 東山翔平, 寺西裕紀, 進藤裕之, 渡辺太郎
- NLP 2024
- 日本語旅行記ジオパージングデータセット ATD-MCL
東山翔平, 大内啓樹, 寺西裕紀, 大友寛之, 井手佑翼, 山本和太郎, 進藤裕之, 渡辺太郎
- NLP 2024
- 訴求軸を考慮したキーワードからの広告文生成
村田栄樹, 大友寛之, 村上聡一朗, 本多右京, 舟久保弘明
- JSAI 2023
- 移動軌跡可視化のための旅行記への訪問順序アノテーション
山本和太郎, 東山翔平, 大内啓樹, 大友寛之, 井手佑翼, 進藤裕之, 渡辺太郎
- NLP 2023
- 旅行記中の場所に対する訪問状態の予測
大友寛之, 東山翔平, 大内啓樹, 山本和太郎, 井手佑翼, 進藤裕之, 渡辺太郎
- NLP 2023
- 場所参照表現と位置情報を紐付けるジオコーディングの概観と発展に向けての考察
久本空海, 西尾悟, 井口奏大, 古川泰人, 大友寛之, 東山翔平, 大内啓樹
- NLP 2022
- 訪問場所表現グラウンディングのためのアノテーション
大友寛之, 大内啓樹, 星野智紀, 井手佑翼, 渡辺太郎
Domestic Presentations
- YANS 2022
- 旅行者の移動軌跡を地図上に描くための訪問順序アノテーション
山本和太郎, 東山翔平, 大友寛之, 大内啓樹, 渡辺太郎
Awards
- Aug 2021
- First place at NLP 若手の会（YANS）第16回シンポジウム ハッカソン