activity
20222026
most citedRepresentation Learning with Large Language Models for Recommendation

215 citations · 725 across the 19 of their papers we have counts for

collaborators

20 papers

cs.CY2026

DeepTutor: Towards Agentic Personalized Tutoring

Bingxi Zhao, Jiahao Zhang, Xubin Ren +4

Education is one of the most promising real-world applications for Large Language Models (LLMs). However, current LLMs rely on static pre-training knowledge and lack adaptation to…

cs.SE2025

DeepCode: Open Agentic Coding

Zongwei Li, Zhonghang Li, Zirui Guo +2

Recent advances in large language models (LLMs) have given rise to powerful coding agents, making it possible for code assistants to evolve into code engineers. However, existing m…

cs.AI2025

RAG-Anything: All-in-One RAG Framework

Zirui Guo, Xubin Ren, Lingrui Xu +2

Retrieval-Augmented Generation (RAG) has emerged as a fundamental paradigm for expanding Large Language Models beyond their static training limitations. However, a critical misalig…

cs.IR2025

RecGPT: A Foundation Model for Sequential Recommendation

Yangqin Jiang, Xubin Ren, Lianghao Xia +3

This work addresses a fundamental barrier in recommender systems: the inability to generalize across domains without extensive retraining. Traditional ID-based approaches fail enti…

cs.CY2025★ 15 cited

Urban Computing in the Era of Large Language Models

Zhonghang Li, Lianghao Xia, Xubin Ren +4

Urban computing has emerged as a multidisciplinary field that harnesses data-driven technologies to address challenges and improve urban living. Traditional approaches, while benef…

cs.IR2025

VideoRAG: Retrieval-Augmented Generation with Extreme Long-Context Videos

Xubin Ren, Lingrui Xu, Long Xia +3

Retrieval-Augmented Generation (RAG) has demonstrated remarkable success in enhancing Large Language Models (LLMs) through external knowledge integration, yet its application has p…

cs.AI2025★ 1 cited

MiniRAG: Towards Extremely Simple Retrieval-Augmented Generation

Tianyu Fan, Jingyuan Wang, Xubin Ren +1

The growing demand for efficient and lightweight Retrieval-Augmented Generation (RAG) systems has highlighted significant challenges when deploying Small Language Models (SLMs) in…

cs.IR2024★ 1 cited

EasyRec: Simple yet Effective Language Models for Recommendation

Xubin Ren, Chao Huang

Deep neural networks have emerged as a powerful technique for learning representations from user-item interaction data in collaborative filtering (CF) for recommender systems. Howe…

cs.IR2024★ 3 cited

XRec: Large Language Models for Explainable Recommendation

Qiyao Ma, Xubin Ren, Chao Huang

Recommender systems help users navigate information overload by providing personalized recommendations aligned with their preferences. Collaborative Filtering (CF) is a widely adop…

cs.LG2024★ 70 cited

A Survey of Large Language Models for Graphs

Xubin Ren, Jiabin Tang, Dawei Yin +2

Graphs are an essential data structure utilized to represent relationships in real-world scenarios. Prior research has established that Graph Neural Networks (GNNs) deliver impress…

cs.IR2024★ 22 cited

A Comprehensive Survey on Self-Supervised Learning for Recommendation

Xubin Ren, Wei Wei, Lianghao Xia +1

Recommender systems play a crucial role in tackling the challenge of information overload by delivering personalized recommendations based on individual user preferences. Deep lear…

cs.IR2023★ 10 cited

LLMRec: Large Language Models with Graph Augmentation for Recommendation

Wei Wei, Xubin Ren, Jiabin Tang +6

The problem of data sparsity has long been a challenge in recommendation systems, and previous studies have attempted to address this issue by incorporating side information. Howev…

cs.IR2023★ 215 cited

Representation Learning with Large Language Models for Recommendation

Xubin Ren, Wei Wei, Lianghao Xia +5

Recommender systems have seen significant advancements with the influence of deep learning and graph neural networks, particularly in capturing complex user-item relationships. How…

cs.IR2023

How Expressive are Graph Neural Networks in Recommendation?

Xuheng Cai, Lianghao Xia, Xubin Ren +1

Graph Neural Networks (GNNs) have demonstrated superior performance on various graph learning tasks, including recommendation, where they leverage user-item collaborative filtering…

cs.IR2023★ 50 cited

SSLRec: A Self-Supervised Learning Framework for Recommendation

Xubin Ren, Lianghao Xia, Yuhao Yang +4

Self-supervised learning (SSL) has gained significant interest in recent years as a solution to address the challenges posed by sparse and noisy data in recommender systems. Despit…

cs.IR2023★ 84 cited

Graph Transformer for Recommendation

Chaoliu Li, Lianghao Xia, Xubin Ren +3

This paper presents a novel approach to representation learning in recommender systems by integrating generative self-supervised learning with graph transformer architecture. We hi…

cs.IR2023★ 153 cited

Disentangled Contrastive Collaborative Filtering

Xubin Ren, Lianghao Xia, Jiashu Zhao +2

Recent studies show that graph neural networks (GNNs) are prevalent to model high-order relationships for collaborative filtering (CF). Towards this research line, graph contrastiv…

cs.IR2023★ 101 cited

LightGCL: Simple Yet Effective Graph Contrastive Learning for Recommendation

Xuheng Cai, Chao Huang, Lianghao Xia +1

Graph neural network (GNN) is a powerful learning approach for graph-based recommender systems. Recently, GNNs integrated with contrastive learning have shown superior performance…

cs.IR2022

Deep Deconfounded Content-based Tag Recommendation for UGC with Causal Intervention

Yaochen Zhu, Xubin Ren, Jing Yi +1

Traditional content-based tag recommender systems directly learn the association between user-generated content (UGC) and tags based on collected UGC-tag pairs. However, since a UG…

cs.IR2022

Multi-Auxiliary Augmented Collaborative Variational Auto-encoder for Tag Recommendation

Jing Yi, Xubin Ren, Zhenzhong Chen

Recommending appropriate tags to items can facilitate content organization, retrieval, consumption and other applications, where hybrid tag recommender systems have been utilized t…