Song Jin 金松

PhD Student · Renmin University of China

I am a Ph.D. student at the Gaoling School of Artificial Intelligence, Renmin University of China (RUC), advised by Prof. Rui Yan and Prof. Yong Liu.

My research focuses on post-training for foundation models, spanning multimodal understanding, reasoning, and generation as well as multimodal agent training.

I welcome research collaborations and discussions. Feel free to reach out at jinsong8 [at] ruc.edu.cn.

News

2026.08
TagPR has been accepted to EMNLP 2026 Main (first author)!
2026.07
Selected by the 2026 Tencent Rhino-Bird Elite Talent Program.
2026.04
DiningBench has been accepted to ACL 2026 Main (first author)!
2026.01
ViPER has been accepted to ICLR 2026. Congrats to Juntian!
2025.11
FinRpt has been accepted to AAAI 2026 (first author)!
2025.08
RecInter has been accepted to EMNLP 2025 Main (first author)!

Selected Publications

Allocate Before You Embed: Adaptive Visual Input Allocation for Video Embeddings

Song Jin, Zhongtao Jiang, Chenglei Shen, Huanxuan Liao, Haozhe Chi, Zhiwei Wang, Kun Xu, Yong Liu

Code / Paper

arXiv 2026 · First author
Tagging the Thought: Unlocking Personalization Reasoning via Reinforcement Learning

Song Jin, Juntian Zhang, Yong Liu, Xun Zhang, Yufei Zhang, Fei Jiang, Guojun Yin, Wei Lin, Rui Yan

Paper

EMNLP 2026 Main · First author
DiningBench: A Hierarchical Multi-view Benchmark for Perception and Reasoning in the Dietary Domain

Song Jin, Juntian Zhang, Xun Zhang, Zeying Tian, Fei Jiang, Guojun Yin, Wei Lin, Yong Liu, Rui Yan

Code / Paper

ACL 2026 Main · First author
ViPER: Empowering the Self-Evolution of Visual Perception Abilities in Vision-Language Model

Juntian Zhang, Song Jin, Chuanqi Cheng, Yuhan Liu, Yankai Lin, Xun Zhang, Yufei Zhang, Fei Jiang, Guojun Yin, Wei Lin, Rui Yan

Code / Paper

ICLR 2026
FinRpt: Dataset, Evaluation System and LLM-based Multi-agent Framework for Equity Research Report Generation

Song Jin, Shuqi Li, Shukun Zhang, Rui Yan

Code / Paper

AAAI 2026 · First author
Beyond Static Testbeds: An Interaction-Centric Agent Simulation Platform for Dynamic Recommender Systems

Song Jin, Juntian Zhang, Yuhan Liu, Xun Zhang, Yufei Zhang, Guojun Yin, Fei Jiang, Wei Lin, Rui Yan

Code / Paper

EMNLP 2025 Main · First author

Education

Sep. 2024 – PresentPh.D., Renmin University of China
Gaoling School of Artificial Intelligence
Sep. 2020 – Jun. 2024B.S., Jilin University
College of Computer Science and Technology

Experience

Jul. 2026 – PresentResearch Intern, WeChat AI, Tencent, Beijing
Apr. 2026 – Jul. 2026Research Intern, TikTok, ByteDance, Beijing
Jan. 2025 – Apr. 2026Research Intern, XiaoTuan, Meituan, Beijing
Dec. 2023 – Mar. 2024Research Intern, Baidu, Beijing

Awards & Honors

2026.07Selected by the 2026 Tencent Rhino-Bird Elite Talent Program.
2022.12National Scholarship (Top 1%)
2021.12National Scholarship (Top 1%)

Academic Services

Reviewer: ACL ARR 2026, AAAI 2027, ICLR 2027.