Jia-Qi Yang 杨嘉祺

Work Experience

2025.7 - present Algorithm Engineer, ByteDance Ltd., Shanghai, China

2020.5-2020.9, 2022.3-2022.12 Research Intern, Taobao Search, Hangzhou, China

Education

2021.9 - 2025.6 Doctor of Philosophy (Computer Science and Technology), LAMDA Group, Nanjing University

2024.3 - 2024.12 Visiting Student, Imperfect Information Learning Team, RIKEN-AIP

2018.9 - 2021.6 Master of Engineering (Computer Science and Technology), LAMDA Group, Nanjing University

2014.9 - 2018.6 Bachelor of Engineering (Electrical Engineering and its Automation), Wuhan University

Publications

* equal contribution

Improving LLMs for Recommendation with Out-Of-Vocabulary Tokens

Ting-Ji Huang, Jia-Qi Yang, Chunxu Shen, Kai-Qi Liu, De-Chuan Zhan, Han-Jia Ye
International Conference on Machine Learning (ICML) 2025

JobFormer: Skill-Aware Job Recommendation with Semantic-Enhanced Transformer

Zhihao Guan*, Jia-Qi Yang*, Yang Yang, Hengshu Zhu, Wenjie Li, Hui Xiong.
ACM Transactions on Knowledge Discovery from Data

Physics-informed Inverse Design of Multi-bit Programmable Metasurfaces

Yucheng Xu*, Jia-Qi Yang*, Kebin Fan, Sheng Wang, Jingbo Wu, Caihong Zhang, De-Chuan Zhan, Willie J. Padilla, Biaobing Jin, Jian Chen, Peiheng Wu.
Advanced Science

COURIER: Contrastive User Intention Reconstruction for Large-Scale Visual Recommendation

Jia-Qi Yang, Chenglei Dai, OU Dan, Dongshuai Li, Ju Huang, De-Chuan Zhan, Xiaoyi Zeng, Yang Yang.
Frontiers of Computer Science

RE-SORT: Removing Spurious Correlation in Multilevel Interaction for CTR Prediction

Songli Wu, Liang Du, Jia-Qi Yang, Yuai Wang, De-Chuan Zhan, Shuang Zhao, Zixun Sun.
Conference on Uncertainty in Artificial Intelligence (UAI) 2024

Beyond Probability Partitions: Calibrating Neural Networks with Semantic Aware Grouping

Jia-Qi Yang, De-Chuan Zhan, Le Gan.
Neural Information Processing Systems (NeurIPS) 2023

IDToolkit: A Toolkit for Benchmarking and Developing Inverse Design Algorithms in Nanophotonics

Jia-Qi Yang, Yu-Cheng Xu, Jia-Lei Shen, Ke-Bin Fan, De-Chuan Zhan, Yang Yang.
SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD) 2023 (Oral)

Normalizing Flows for Efficient Inverse Design of Thermophotovoltaic Emitters

Jia-Qi Yang, YuCheng Xu, Kebin Fan, Jingbo Wu, Caihong Zhang, De-Chuan Zhan, Biao-Bing Jin, and Willie J. Padilla.
ACS Photonics

Generalized Delayed Feedback Model with Post-Click Information in Recommender Systems

Jia-Qi Yang, De-Chuan Zhan.
Neural Information Processing Systems (NeurIPS) 2022 (Spotlight)

RID-Noise: Towards Robust Inverse Design under Noisy Environments

Jia-Qi Yang, Ke-Bin Fan, Hao Ma, De-Chuan Zhan.
AAAI Conference on Artificial Intelligence (AAAI) 2022

Capturing Delayed Feedback in Conversion Rate Prediction via Elapsed-Time Sampling

Jia-Qi Yang, Xiang Li, Shuguang Han, Tao Zhuang, De-Chuan Zhan, Xiaoyi Zeng, Bin Tong.
AAAI Conference on Artificial Intelligence (AAAI) 2021

Corporate Relative Valuation using Heterogeneous Multi-Modal Graph Neural Network

Yang Yang, Jiq-Qi Yang, Ran Bao, De-Chuan Zhan, Hengshu Zhu, Xiao-Ru Gao, Hui Xiong.
IEEE Transactions on Knowledge and Data Engineering (TKDE)

Bottom-Up and Top-Down Graph Pooling

Jiq-Qi Yang, De-Chuan Zhan, Xin-Chun Li.
Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD) 2020

Deep Multiple Instance Selection

Xin-Chun Li, De-Chuan Zhan, Jiq-Qi Yang, Yi Shi.
Science China Information Sciences (SCIS)

Towards Understanding Transfer Learning Algorithms Using Meta Transfer Features

Xin-Chun Li, De-Chuan Zhan, Jiq-Qi Yang, Yi Shi, Cheng Hang, Yi Lu.
Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD) 2020

Talks

Delayed Feedback in Recommender Systems

• Nanjing University of Science and Technology (invited talk)
• 4Paradigm (invited talk)

Awards

• Outstanding Doctoral Dissertation Award of the School of Computer Science, Nanjing University, 2025
• KDD Outstanding Reviewer (top 10%), 2025
• Nanjing University Doctoral Students’ Innovation Capacity Leadership Program – Excellence Creation Project, 2024
• Postgraduate Research & Practice Innovation Program of Jiangsu Province, 2024
• Scholarship of China Scholarship Council (Visiting student at RIKEN-AIP), 2024
• Huawei Scholarship, 2023
• Scholar/Travel Award, NeurIPS’22, AAAI’22, KDD’23, NeurIPS’23.
• National Scholarship for PhD student, 2022
• Huawei-Nanjing University Joint AI Laboratory, Award for Outstanding Contribution, 2021
• Alibaba Global Scheduling Algorithm Competition, Champion(1st/2116), 2018
• Huawei Code Craft, Most Exquisite Code Award, 2018
• HackHarvard, KENSHO prize, 2018
• ACM/ICPC Asian Regional, HongKong Onsite, Gold Award, Fastest solver of problem A, 2016
• ACM/ICPC Asian Regional, East Continent Final, Silver Award, 2016
• China Collegiate Programming Contest(CCPC), South China Invitational Contest, Gold Award, 2016
• China Collegiate Programming Contest(CCPC), Changchun Onsite, Silver Award, 2016
• ACM/ICPC Asian Regional, Shanghai Onsite, Bronze Award, 2015

Academic Service

Conference / Journal Reviewer

• ECML-PKDD’21, AAAI’21, ACML’21, SDM’21, AAAI’22, NeruIPS’22, UAI’22, AAAI’23, NeurIPS’23, ECAI’23, PAKDD’23, ICLR’23, ACML’23, AAAI’24, AAAI-GCLR’24, ICLR’24, ECAI’24, AAAI’25, ICLR’25, KDD’25, UAI’25, NeurIPS’25, WWW’26
• IEEE Transactions on Knowledge and Data Engineering, IEEE Transactions on Computational Social Systems, Chinese Journal of Electronics, Transactions on Intelligent Systems and Technology, Machine Learning, IEEE Transactions on Circuits and Systems for Video Technology, IEEE Transactions on Services Computing, Frontiers of Computer Science, Pattern Recognition, Intelligent Data Analysis, SCIENCE CHINA Information Sciences, 软件学报, 计算机研究与发展

Teaching Assistant

2023 Intelligent system design and application. with Prof. De-Chuan Zhan.

2021 Digital Signal Processing. with Prof. Han-Jia Ye.

2018 Advanced C++ Programming. with Prof. Shu-Jian Huang and Prof. Zhi-Qiang Zuo.