NLP researcher · Yokohama, Japan

Boxuan Lyu 呂 博軒

Research interests

Machine translation, natural language generation, and multimodal language processing.

Current

PhD student at the Okumura–Funakoshi Lab, Institute of Science Tokyo

Languages

Chinese (Mandarin)
Japanese · English

01 / Publications

Publications

Google Scholar
Preprints 04
01

Preprint · Under review · 2026

Routing by Analogy: kNN-Augmented Expert Assignment for Mixture-of-Experts

Boxuan Lyu, Soichiro Murakami, Hidetaka Kamigaito, Peinan Zhang

02

Preprint · Under review · 2025

Minimum Bayes Risk Decoding for Error Span Detection in Reference-Free Automatic Machine Translation Evaluation

Boxuan Lyu, Haiyue Song, Hidetaka Kamigaito, Chenchen Ding, Hideki Tanaka, Masao Utiyama, Kotaro Funakoshi, Manabu Okumura

03

Preprint · Under review · 2026

Is Human Annotation Necessary? Iterative MBR Distillation for Error Span Detection in Machine Translation

Boxuan Lyu, Haiyue Song, Zhi Qu

04

Preprint · Under review · 2026

Rewrite to Translate, Translate to Reward: Reinforcement Learning for Source Rewriting in Machine Translation

Boxuan Lyu, Haiyue Song, Zhi Qu, Hidetaka Kamigaito, Kotaro Funakoshi, Manabu Okumura

Journal 00

No journal publications yet.

International Conference / Workshop 01
01

ACL 2025 Main Conference · Long Paper

Unveiling the Power of Source: Source-based Minimum Bayes Risk Decoding for Neural Machine Translation

Boxuan Lyu, Hidetaka Kamigaito, Kotaro Funakoshi, Manabu Okumura

The 63rd Annual Meeting of the Association for Computational Linguistics, Main Conference.

Domestic Conference / Workshop 05
01

第32回汎用人工知能研究会(SIG-AGI 2026)

言語と行動を同時生成する2元時系列生成モデル

川上 晴也, 呂 博軒, 船越 孝太郎, 奥村 学 · 研究会優秀賞

02

言語処理学会第32回年次大会(NLP 2026)

類推に基づくエキスパート割当:kNN検索を用いたMixture-of-Experts

呂 博軒, 村上 聡一郎, 上垣外 英剛, 張 培楠 · 優秀賞

03

第20回言語処理若手シンポジウム(YANS 2025)

生成型自動評価指標のための最小ベイズリスク復号

呂 博軒, 宋 海越, 上垣外 英剛, 田中 英輝, 内山 将夫, 船越 孝太郎, 奥村 学

04

言語処理学会第31回年次大会(NLP 2025)

漫画話者認識における VLM の有効性

呂 博軒, 能地 宏

05

第19回言語処理若手シンポジウム(YANS 2024)

なぜ機械翻訳モデルの推定確率と人手評価の相関係数が低いのか?:原因分析と改善策の検討

呂 博軒, 上垣外 英剛, 船越 孝太郎, 奥村 学

Recent recognition 2026

言語処理学会 第32回年次大会 優秀賞

01
Recent recognition 2026

SIG-AGI 研究会優秀賞

02

02 / Experience

Research in practice.

Jun 2025 — Mar 2026

NICT UCRI ASTREC

Researcher · Internship

Aug 2024 — Oct 2024

NEC R&D

Researcher · Internship

03 / Education

Academic path

PhD · Engineering

Institute of Science Tokyo

Apr 2025 — Present

Supervisor · Kotaro Funakoshi

Master · Engineering

Institute of Science Tokyo

Apr 2023 — Mar 2025

Supervisor · Kotaro Funakoshi

Bachelor · Science

Jiangnan University

Sep 2018 — Jun 2022

Information and Computing Science

04 / Visitors

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