collaborators

14 papers

cs.CL2026

I-MCTS: Enhancing Agentic AutoML via Introspective Monte Carlo Tree Search

Zujie Liang, Feng Wei, Wujiang Xu +3

Recent advancements in large language models (LLMs) have shown remarkable potential in automating machine learning tasks. However, existing LLM-based agents often struggle with low…

cs.LG2025

Beyond KAN: Introducing KarSein for Adaptive High-Order Feature Interaction Modeling in CTR Prediction

Yunxiao Shi, Wujiang Xu, Haimin Zhang +2

Modeling high-order feature interactions is crucial for click-through rate (CTR) prediction, yet traditional approaches typically predefine a maximum interaction order and exhausti…

cs.DB2025

OmniRouter: Budget and Performance Controllable Multi-LLM Routing

Kai Mei, Wujiang Xu, Minghao Guo +2

Large language models (LLMs) deliver superior performance but require substantial computational resources and operate with relatively low efficiency, while smaller models can effic…

cs.IR2025

Token-Controlled Re-ranking for Sequential Recommendation via LLMs

Wenxi Dai, Wujiang Xu, Pinhuan Wang +1

The widespread adoption of Large Language Models (LLMs) as re-rankers is shifting recommender systems towards a user-centric paradigm. However, a significant gap remains: current r…

cs.LG2025

LLM as GNN: Graph Vocabulary Learning for Text-Attributed Graph Foundation Models

Xi Zhu, Haochen Xue, Ziwei Zhao +7

Text-Attributed Graphs (TAGs), where each node is associated with text descriptions, are ubiquitous in real-world scenarios. They typically exhibit distinctive structure and domain…

cs.LG2025

Graph4MM: Weaving Multimodal Learning with Structural Information

Xuying Ning, Dongqi Fu, Tianxin Wei +2

Real-world multimodal data usually exhibit complex structural relationships beyond traditional one-to-one mappings like image-caption pairs. Entities across modalities interact in…