activity
20242026
most citedVCR-Graphormer: A Mini-batch Graph Transformer via Virtual Connections

3 citations · 3 across the 11 of their papers we have counts for

collaborators

12 papers

cs.LG2026

Learning the Latent Structure: A Feature-Centric Approach to Graph Data Augmentation

Yu Song, Zhigang Hua, Yan Xie +5

Graph-structured data plays a pivotal role in modeling complex relationships. However, real-world graphs are often incomplete due to data collection and observational constraints,…

cs.IR2026

Probabilistic Residual Learning for Online Recommendations

Wenyuan Wang, Yusong Zhao, Zihao Xu +11

Modern recommender systems are typically based on deep learning (DL) models, where a dense encoder learns representations of users and items. As a result, these systems often suffe…

cs.CL2026

ExpWeaver: LLM Agents Learn from Experience via Latent RAG

Tao Feng, Tianyang Luo, Jingjun Xu +5

Experience learning has achieved promising results in enhancing LLM agent planning and reasoning by integrating past interactions as reusable knowledge. However, existing methods r…

cs.CL2026

ExpHarness: Model-Agnostic Experience Learning through a Trainable Harness

Tao Feng, Chongrui Ye, Fangxu Yu +11

Large language model (LLM) agents increasingly operate within a harness, the scaffolding that determines what enters the executor's context, yet the experience they accumulate acro…

cs.IR2026

UniRec: Unified Multimodal Encoding for LLM-Based Recommendations

Zijie Lei, Tao Feng, Zhigang Hua +5

Large language models have recently shown promise for multimodal recommendation, particularly with text and image inputs. Yet real-world recommendation signals extend far beyond th…

cs.IR2025

CoFiRec: Coarse-to-Fine Tokenization for Generative Recommendation

Tianxin Wei, Xuying Ning, Xuxing Chen +6

In web environments, user preferences are often refined progressively as users move from browsing broad categories to exploring specific items. However, existing generative recomme…

cs.LG2025

GSTBench: A Benchmark Study on the Transferability of Graph Self-Supervised Learning

Yu Song, Zhigang Hua, Yan Xie +3

Self-supervised learning (SSL) has shown great promise in graph representation learning. However, most existing graph SSL methods are developed and evaluated under a single-dataset…

cs.LG2025

A Scalable Pretraining Framework for Link Prediction with Efficient Adaptation

Yu Song, Zhigang Hua, Harry Shomer +4

Link Prediction (LP) is a critical task in graph machine learning. While Graph Neural Networks (GNNs) have significantly advanced LP performance recently, existing methods face key…

cs.IR2025

R1-Ranker: Teaching LLM Rankers to Reason

Tao Feng, Zhigang Hua, Zijie Lei +4

Large language models (LLMs) have recently shown strong reasoning abilities in domains like mathematics, coding, and scientific problem-solving, yet their potential for ranking tas…

cs.LG2025

Higher-order Structure Boosts Link Prediction on Temporal Graphs

Jingzhe Liu, Zhigang Hua, Yan Xie +5

Temporal Graph Neural Networks (TGNNs) have gained growing attention for modeling and predicting structures in temporal graphs. However, existing TGNNs primarily focus on pairwise…

cs.LG2024

A Scalable and Effective Alternative to Graph Transformers

Kaan Sancak, Zhigang Hua, Jin Fang +5

Graph Neural Networks (GNNs) have shown impressive performance in graph representation learning, but they face challenges in capturing long-range dependencies due to their limited…

cs.LG2024★ 3 cited

VCR-Graphormer: A Mini-batch Graph Transformer via Virtual Connections

Dongqi Fu, Zhigang Hua, Yan Xie +7

Graph transformer has been proven as an effective graph learning method for its adoption of attention mechanism that is capable of capturing expressive representations from complex…