activity
20192026
most citedGraph-based Alignment and Uniformity for Recommendation

22 citations · 50 across the 17 of their papers we have counts for

collaborators

17 papers

cs.AI2026

Agentic Commerce World: An Auditable and Verifiable Environment for Vibe Commerce

Shicheng Fan, Mingdai Yang, Duohao Wang +9

In vibe coding, people describe software in natural language and delegate implementation to AI agents. By analogy, vibe commerce allows people to express buying or selling goals in…

cs.AI2026

Paying for Honesty Without Knowing the Truth: Reputation-Penalty Design for LLM Marketplace Agents

Mingdai Yang, Shicheng Fan, Kejing Yu +5

LLM agents increasingly act as autonomous merchants that write their own product listings, and under competitive pressure, they fabricate attributes to win sales. Even under instru…

cs.IR2026

Personalized Recommendation Tool Learning via Autonomous Language Agents

Mingdai Yang, Zhiwei Liu, Weizhi Zhang +3

Although large language models (LLMs) have recently gained traction in recommender systems due to their strong reasoning capabilities and extensive world knowledge, previous LLM-ba…

cs.IR2025

AgentDR: Dynamic Recommendation with Implicit Item-Item Relations via LLM-based Agents

Mingdai Yang, Nurendra Choudhary, Jiangshu Du +4

Recent agent-based recommendation frameworks aim to simulate user behaviors by incorporating memory mechanisms and prompting strategies, but they struggle with hallucinating non-ex…

cs.IR2025

Automating Personalization: Prompt Optimization for Recommendation Reranking

Chen Wang, Mingdai Yang, Zhiwei Liu +4

Modern recommender systems increasingly leverage large language models (LLMs) for reranking to improve personalization. However, existing approaches face two key limitations: (1) h…

cs.IR2025★ 2 cited

PCL: Prompt-based Continual Learning for User Modeling in Recommender Systems

Mingdai Yang, Fan Yang, Yanhui Guo +6

User modeling in large e-commerce platforms aims to optimize user experiences by incorporating various customer activities. Traditional models targeting a single task often focus o…

cs.IR2025★ 2 cited

Training Large Recommendation Models via Graph-Language Token Alignment

Mingdai Yang, Zhiwei Liu, Liangwei Yang +4

Recommender systems (RS) have become essential tools for helping users efficiently navigate the overwhelming amount of information on e-commerce and social platforms. However, trad…

cs.IR2024

Instruction-based Hypergraph Pretraining

Mingdai Yang, Zhiwei Liu, Liangwei Yang +4

Pretraining has been widely explored to augment the adaptability of graph learning models to transfer knowledge from large datasets to a downstream task, such as link prediction or…

cs.IR2023

Multi-view Graph Convolution for Participant Recommendation

Xiaolong Liu, Liangwei Yang, Chen Wang +3

Social networks have become essential for people's lives. The proliferation of web services further expands social networks at an unprecedented scale, leading to immeasurable comme…

cs.IR2023

Group-Aware Interest Disentangled Dual-Training for Personalized Recommendation

Xiaolong Liu, Liangwei Yang, Zhiwei Liu +4

Personalized recommender systems aim to predict users' preferences for items. It has become an indispensable part of online services. Online social platforms enable users to form g…

cs.IR2023★ 1 cited

Unified Pretraining for Recommendation via Task Hypergraphs

Mingdai Yang, Zhiwei Liu, Liangwei Yang +4

Although pretraining has garnered significant attention and popularity in recent years, its application in graph-based recommender systems is relatively limited. It is challenging…

cs.IR2023

Knowledge Graph Context-Enhanced Diversified Recommendation

Xiaolong Liu, Liangwei Yang, Zhiwei Liu +4

The field of Recommender Systems (RecSys) has been extensively studied to enhance accuracy by leveraging users' historical interactions. Nonetheless, this persistent pursuit of acc…

cs.IR2023

Collaborative Semantic Alignment in Recommendation Systems

Chen Wang, Liangwei Yang, Zhiwei Liu +4

Traditional recommender systems primarily leverage identity-based (ID) representations for users and items, while the advent of pre-trained language models (PLMs) has introduced ri…

cs.IR2023★ 22 cited

Graph-based Alignment and Uniformity for Recommendation

Liangwei Yang, Zhiwei Liu, Chen Wang +4

Collaborative filtering-based recommender systems (RecSys) rely on learning representations for users and items to predict preferences accurately. Representation learning on the hy…

cs.IR2023★ 12 cited

Group Identification via Transitional Hypergraph Convolution with Cross-view Self-supervised Learning

Mingdai Yang, Zhiwei Liu, Liangwei Yang +4

With the proliferation of social media, a growing number of users search for and join group activities in their daily life. This develops a need for the study on the group identifi…

cs.SI2022★ 2 cited

Ranking-based Group Identification via Factorized Attention on Social Tripartite Graph

Mingdai Yang, Zhiwei Liu, Liangwei Yang +4

Due to the proliferation of social media, a growing number of users search for and join group activities in their daily life. This develops a need for the study on the ranking-base…

cs.CV2019★ 9 cited

Deep Reinforcement Learning of Volume-guided Progressive View Inpainting for 3D Point Scene Completion from a Single Depth Image

Xiaoguang Han, Zhaoxuan Zhang, Dong Du +7

We present a deep reinforcement learning method of progressive view inpainting for 3D point scene completion under volume guidance, achieving high-quality scene reconstruction from…