About

Yu Liu is a Ph.D. student at the Institute of Information Engineering, Chinese Academy of Sciences (IIE, CAS), advised by Prof. Yanbing Liu. His research interests include AI agents, data mining, and AI4Science.

News

• [2026/08]Two papers were accepted to EMNLP 2026.
• [2026/08]One paper about Secure Cross-Domain Cooperative Offloading was accepted to IEEE TSC.
• [2026/07]Two papers were accepted to ACM MM 2026.
• [2026/06]Accepted to serve as PC member for AAAI 2027.
• [2026/06]One paper about Command Verification for Shell-Executing LLM Agents was accepted to ISSRE 2026.
• [2026/04]Two papers were accepted to ACL 2026 (one Main, one Findings).
• [2026/01]One paper about Secure Cross-Organizational Retrieval was accepted to DASFAA 2026.
• [2026/01]One paper about Spatiotemporal Information Extraction was accepted to WWW 2026.
• [2025/11]One paper about RL-Enhanced Multi-Hop Retrieval was accepted to AAAI 2026.

Publications

Aug. 2026

Does Faithfulness-Guided Alignment Hurt Accuracy? Unlocking Accurate and Faithful Post-Retrieval Reasoning

Yu Liu, Wenxiao Zhang, Diandian Guo, Cong Cao, Fangfang Yuan, Qiang Sun, Yanbing Liu, Jin B. Hong, Zhiyuan Ma

EMNLP 2026 · paper

Aug. 2026

EmoDap: Dual-Agent Prompt Retrieval Framework for Zero-Shot Fine-Grained Emotion Recognition

Kun Peng, Cong Cao, Hao Peng, Xiaoyan Yu, Zihao Wang, Lei Jiang, Yu Liu, Yanbing Liu, Philip S. Yu

EMNLP 2026

Aug. 2026

Secure Cooperative Offloading Across Domains with DIB-Enhanced Multi-Agent RL and Credence Mutual Information

Kexin Li, Changjian Xu, Hongwei Zhu, Wen Yin, Yu Liu, Yu Peng, Yong Wang, Xingwei Wang, Schahram Dustdar

IEEE Transactions on Services Computing (TSC) · paper

Jul. 2026

MIRAGE: How Conversation State Shapes Historical Evidence Use in Multimodal Personal Agents

Yu Liu, Wenxiao Zhang, Cheng Hu, Cong Cao, Fangfang Yuan, Xinyu Wang, Jin B. Hong, Yanbing Liu

ACM MM 2026 · paper

Jul. 2026

Music Hallucination in Audio-Language Models: A Hierarchical Formulation and Empirical Study

Yu Liu, Jiahui Liu, Zhilin Liu, Cong Cao, Fangfang Yuan, Yuling Yang, Pin Xu, Yanbing Liu

ACM MM 2026 · paper

Jun. 2026

CARE: Pre-Execution Command Verification for Shell-Executing LLM Agents

Yu Liu, Wenxiao Zhang, Zhiwei Yang, Zhongyi Zhang, Hanqi Feng, Xinyu Wang, Peng Qiu, Yanbing Liu, Barnabas Poczos, Jin B. Hong

ISSRE 2026 · paper

Apr. 2026

Conformal Event Prediction with Temporal Knowledge Graph

Cheng Hu, Cong Cao, Fangfang Yuan, Diandian Guo, Pin Xu, Yu Liu, Yanbing Liu

Findings of ACL 2026 · paper

Apr. 2026

Two Streams, One Sarcasm: Orthogonal Expert Tuning for Holistic Multimodal Sarcasm Understanding

Diandian Guo, Cong Cao, Fangfang Yuan, Pin Xu, Cheng Hu, Zhicheng Zhang, Yu Liu, Yanbing Liu

ACL 2026 · paper

Jan. 2026

Trans-RAG: Query-Centric Vector Transformation for Secure Cross-Organizational Retrieval

Yu Liu, Kun Peng, Wenxiao Zhang, Fangfang Yuan, Cong Cao, Wenxuan Lu, Yanbing Liu

DASFAA 2026 · paper

Jan. 2026

STIndex: A Context-Aware Multi-Dimensional Spatiotemporal Information Extraction System

Wenxiao Zhang, Yu Liu, Qiang Sun, Yihao Ding, Sirui Li, Yanbing Liu, Jin B. Hong, Wei Liu

WWW 2026 · paper

Nov. 2025

OPERA: A Reinforcement Learning–Enhanced Orchestrated Planner-Executor Architecture for Reasoning-Oriented Multi-Hop Retrieval

Yu Liu, Yanbing Liu, Fangfang Yuan, Cong Cao, Youbang Sun, Kun Peng, Weizhuo Chen, Jianjun Li, Zhiyuan Ma

AAAI 2026 · paper

Collaborative Projects

	2025 – now	Carnegie Mellon University — Protein generation, with Prof. Barnabas Poczos · Pittsburgh, USA
	2026 – now	National University of Singapore — AI4MOFs, with Dr. Guobin Zhao · Singapore
	2024 – now	The University of Western Australia — DFAT New Colombo Plan (NCP) Mobility Program, with Prof. Jin B. Hong · Perth, Australia
	2026 – now	Central Conservatory of Music — AI4Music · Beijing, China

Education

	2024 – now	Institute of Information Engineering, Chinese Academy of Sciences — Ph.D. student, advised by Prof. Yanbing Liu · Beijing, China
	2021 – 2024	The University of Western Australia — M.S., Software Engineering, Department of Computer Science and Software Engineering, advised by Prof. Jin B. Hong · Perth, Australia
	2019 – 2021	Curtin University — C.S. Academic Bridging Programs, School of Electrical Engineering, Computing and Mathematical Sciences · Perth, Australia
	before 2019	Traditional Chinese Music — Dizi (Chinese bamboo flute). Trained in music from primary school through university, with a playing style inherited from Prof. Xiang Qu, before changing majors to pursue a bachelor's degree in Software Engineering.