Qifan Wang

Principal Researcher, Meta AI

Joined

July 2019

Names

Qifan Wang

Emails

****@purdue.edu (Confirmed)

****@google.com (Confirmed)

****@gmail.com (Confirmed)

****@fb.com (Confirmed)

****@meta.com (Confirmed)

Personal Links

Career & Education History

Principal Researcher

Meta AI (fb.com)

2022 – Present

Principal Researcher

Google Research (google.com)

2015 – 2022

PhD student

Purdue University (purdue.edu)

2010 – 2015

MS student

Tsinghua University (tsinghua.edu.cn)

2007 – 2010

Advisors, Relations & Conflicts

PhD Advisor

Luo Si

2010 – 2015

Coauthor

Yi Fang

2011 – 2014

Expertise

deep learning

graph embedding

GNNs

Present

data mining

representation learning

hashing

Present

natural language processing

information retrieval

Present

Publications

Unleashing Implicit Rewards: Prefix-Value Learning for Distribution-Level Optimization
Shiping Gao, Hongzhan Chen, Xiaojun Quan, Qifan Wang, Lifu Huang
- arXiv
- Readers: Everyone
Exploring the Adversarial Vulnerabilities of Vision-Language-Action Models in Robotics
Taowen Wang, Cheng Han, James Chenhao Liang, Wenhao Yang, Dongfang Liu, Luna Xinyu Zhang, Qifan Wang, Jiebo Luo, Ruixiang Tang
- ICCV
- Readers: Everyone
ReMix: Reinforcement Routing for Mixtures of LoRAs in LLM Finetuning
Ruizhong Qiu, Hanqing Zeng, Yinglong Xia, Yiwen Meng, Ren Chen, Jiarui Feng, Dongqi Fu, Qifan Wang, Jiayi Liu, Jun Xiao, Xiangjun Fan, Benyu Zhang, Hong Li, Zhining Liu, Hyunsik Yoo, Zhichen Zeng, Tianxin Wei, Hanghang Tong
- LLA 2026 Poster
- Readers: Everyone
InternalInspector I2: Robust Confidence Estimation in LLMs through Internal States.
Mohammad Beigi, Ying Shen 0006, Runing Yang, Zihao Lin 0003, Qifan Wang 0001, Ankith Mohan, Jianfeng He, Ming Jin 0002, Chang-Tien Lu, Lifu Huang
- CoRR 2024
- Readers: Everyone
Bridging VLMs and Embodied Intelligence with Deliberate Practice Policy Optimization
Yi Zhang, Che Liu, Xiancong Ren, Hanchu Ni, Yingji Zhang, Shuai Zhang, Zeyuan Ding, Jiayu Hu, Haozhe Shan, Junbo Qi, Yan Bai, Dengjie Li, Jiachen Luo, Yidong Wang, Yong Dai, Zenglin Xu, Bin Shen, Qifan Wang, Jian Tang, Xiaozhu Ju
- CoRR 2025
- Readers: Everyone
Prompt-based Adaptation in Large-scale Vision Models: A Survey
Xi Xiao, Yunbei Zhang, Lin Zhao, Yiyang Liu, Xiaoying Liao, Zheda Mai, Xingjian Li, Xiao Wang, Hao Xu, Jihun Hamm, Xue Lin, Min Xu, Qifan Wang, Tianyang Wang, Cheng Han
- Accepted by TMLR
- Readers: Everyone
All You Need is One: Capsule Prompt Tuning with a Single Vector
Yiyang Liu, James Chenhao Liang, Heng Fan, Wenhao Yang, Yiming Cui, Xiaotian Han, Lifu Huang, Dongfang Liu, Qifan Wang, Cheng Han
- CoRR 2025
- Readers: Everyone
Demystifying Hybrid Thinking: Can LLMs Truly Switch Between Think and No-Think?
Shouren Wang, Wang Yang, Xianxuan Long, Qifan Wang, Vipin Chaudhary, Xiaotian Han
- CoRR 2025
- Readers: Everyone
Meaningless Tokens, Meaningful Gains: How Activation Shifts Enhance LLM Reasoning
Zeru Shi, Yingjia Wan, Zhenting Wang, Qifan Wang, Fan Yang, Elisa Kreiss, Ruixiang Tang
- CoRR 2025
- Readers: Everyone
See, Think, Hallucinate: Interpreting Reasoning and Hallucinations Beyond the First Hop in Vision-Language Models
Chejian Xu, Mrinal Kumar, Yun He, Han Fang, Eryk Helenowski, Qifan Wang, Bo Li, Karthik Abinav Sankararaman
- Submitted to ICLR 2026
- Readers: Everyone

View all 357 publications

Co-Authors

View all 549 co-authors