collaborators

6 papers

cs.LG2026

Decouple before Integration: Test-time Synthesis of SFT and RLVR Task Vectors

Chaohao Yuan, Chenghao Xiao, Yu Rong +2

SFT and RLVR represent two fundamental yet distinct paradigms for LLM post-training, each excelling in distinct dimensions. SFT expands knowledge breadth while RLVR enhances reason…

cs.LG2026

IBCircuit: Towards Holistic Circuit Discovery with Information Bottleneck

Tian Bian, Yifan Niu, Chaohao Yuan +7

Circuit discovery has recently attracted attention as a potential research direction to explain the non-trivial behaviors of language models. It aims to find the computational subg…

cs.IR2025

Hierarchical Graph Information Bottleneck for Multi-Behavior Recommendation

Hengyu Zhang, Chunxu Shen, Xiangguo Sun +5

In real-world recommendation scenarios, users typically engage with platforms through multiple types of behavioral interactions. Multi-behavior recommendation algorithms aim to lev…

cs.IR2025

Adaptive Graph Integration for Cross-Domain Recommendation via Heterogeneous Graph Coordinators

Hengyu Zhang, Chunxu Shen, Xiangguo Sun +5

In the digital era, users typically interact with diverse items across multiple domains (e.g., e-commerce, streaming platforms, and social networks), generating intricate heterogen…

cs.DB2025

Can Large Language Models Be Query Optimizer for Relational Databases?

Jie Tan, Kangfei Zhao, Rui Li +6

Query optimization, which finds the optimized execution plan for a given query, is a complex planning and decision-making problem within the exponentially growing plan space in dat…

cs.AI2025

Natural Language-Assisted Multi-modal Medication Recommendation

Jie Tan, Yu Rong, Kangfei Zhao +5

Combinatorial medication recommendation(CMR) is a fundamental task of healthcare, which offers opportunities for clinical physicians to provide more precise prescriptions for patie…