activity
20202026
most citedCausal Intervention for Leveraging Popularity Bias in Recommendation

437 citations · 1.2k across the 41 of their papers we have counts for

collaborators

41 papers

cs.AI2026

PAFO: Pareto Fairness Optimization for Personalized Reward Modeling

Xiaoyan Zhao, Haoting Ni, Yang Zhang +3

Large language models (LLMs) increasingly rely on reward models to align their outputs with diverse user preferences. While personalized reward models aim to capture such heterogen…

cs.IR2026

TRACER: Token ReAssignment for Concept ERasure in Generative Recommendation

Ziheng Chen, Jiali Cheng, Zezhong Fan +4

Generative recommendation formulates next-item prediction as autoregressive generation over semantic ID (SID) sequences derived from users' historical interactions, making modern r…

cs.CL2026★ 1 cited

AlpsBench: An LLM Personalization Benchmark for Real-Dialogue Memorization and Preference Alignment

Jianfei Xiao, Xiang Yu, Chengbing Wang +8

As Large Language Models (LLMs) evolve into lifelong AI assistants, LLM personalization has become a critical frontier. However, progress is currently bottlenecked by the absence o…

cs.IR2025

Generative Multi-Target Cross-Domain Recommendation

Jinqiu Jin, Yang Zhang, Fuli Feng +1

Recently, there has been a surge of interest in Multi-Target Cross-Domain Recommendation (MTCDR), which aims to enhance recommendation performance across multiple domains simultane…

cs.IR2025

Boosting Parameter Efficiency in LLM-Based Recommendation through Sophisticated Pruning

Shanle Zheng, Keqin Bao, Jizhi Zhang +3

LLM-based recommender systems have made significant progress; however, the deployment cost associated with the large parameter volume of LLMs still hinders their real-world applica…

cs.IR2025

K-order Ranking Preference Optimization for Large Language Models

Shihao Cai, Chongming Gao, Yang Zhang +5

To adapt large language models (LLMs) to ranking tasks, existing list-wise methods, represented by list-wise Direct Preference Optimization (DPO), focus on optimizing partial-order…

cs.AI2025

Reinforced Latent Reasoning for LLM-based Recommendation

Yang Zhang, Wenxin Xu, Xiaoyan Zhao +4

Large Language Models (LLMs) have demonstrated impressive reasoning capabilities in complex problem-solving tasks, sparking growing interest in their application to preference reas…

cs.CV2025

DRC: Enhancing Personalized Image Generation via Disentangled Representation Composition

Yiyan Xu, Wuqiang Zheng, Wenjie Wang +5

Personalized image generation has emerged as a promising direction in multimodal content creation. It aims to synthesize images tailored to individual style preferences (e.g., colo…

cs.CL2025

Measuring What Makes You Unique: Difference-Aware User Modeling for Enhancing LLM Personalization

Yilun Qiu, Xiaoyan Zhao, Yang Zhang +5

Personalizing Large Language Models (LLMs) has become a critical step in facilitating their widespread application to enhance individual life experiences. In pursuit of personaliza…

cs.IR2025

Reason4Rec: Deliberative User Preference Alignment of Large Language Models for Recommendation

Yi Fang, Wenjie Wang, Yang Zhang +4

Aligning Large Language Models (LLMs) with recommendation tasks represents an emerging paradigm in recommendation domain, exhibiting promising performance overall. However, these a…

cs.CL2024

Disentangling Reasoning Tokens and Boilerplate Tokens For Language Model Fine-tuning

Ziang Ye, Zhenru Zhang, Yang Zhang +3

When using agent-task datasets to enhance agent capabilities for Large Language Models (LLMs), current methodologies often treat all tokens within a sample equally. However, we arg…

cs.IR2024

Leveraging Memory Retrieval to Enhance LLM-based Generative Recommendation

Chengbing Wang, Yang Zhang, Fengbin Zhu +3

Leveraging Large Language Models (LLMs) to harness user-item interaction histories for item generation has emerged as a promising paradigm in generative recommendation. However, th…

cs.IR2024★ 2 cited

Real-Time Personalization for LLM-based Recommendation with Customized In-Context Learning

Keqin Bao, Ming Yan, Yang Zhang +4

Frequently updating Large Language Model (LLM)-based recommender systems to adapt to new user interests -- as done for traditional ones -- is impractical due to high training costs…

cs.IR2024

Causality-Enhanced Behavior Sequence Modeling in LLMs for Personalized Recommendation

Yang Zhang, Juntao You, Yimeng Bai +4

Recent advancements in recommender systems have focused on leveraging Large Language Models (LLMs) to improve user preference modeling, yielding promising outcomes. However, curren…

cs.IR2024★ 7 cited

Personalized Image Generation with Large Multimodal Models

Yiyan Xu, Wenjie Wang, Yang Zhang +4

Personalized content filtering, such as recommender systems, has become a critical infrastructure to alleviate information overload. However, these systems merely filter existing c…

cs.IR2024★ 6 cited

GradCraft: Elevating Multi-task Recommendations through Holistic Gradient Crafting

Yimeng Bai, Yang Zhang, Fuli Feng +4

Recommender systems require the simultaneous optimization of multiple objectives to accurately model user interests, necessitating the application of multi-task learning methods. H…

cs.IR2024★ 1 cited

Text-like Encoding of Collaborative Information in Large Language Models for Recommendation

Yang Zhang, Keqin Bao, Ming Yan +3

When adapting Large Language Models for Recommendation (LLMRec), it is crucial to integrate collaborative information. Existing methods achieve this by learning collaborative embed…

cs.CL2024★ 3 cited

Evaluating Mathematical Reasoning of Large Language Models: A Focus on Error Identification and Correction

Xiaoyuan Li, Wenjie Wang, Moxin Li +3

The rapid advancement of Large Language Models (LLMs) in the realm of mathematical reasoning necessitates comprehensive evaluations to gauge progress and inspire future directions.…

cs.IR2024★ 2 cited

Decoding Matters: Addressing Amplification Bias and Homogeneity Issue for LLM-based Recommendation

Keqin Bao, Jizhi Zhang, Yang Zhang +3

Adapting Large Language Models (LLMs) for recommendation requires careful consideration of the decoding process, given the inherent differences between generating items and natural…

cs.IR2024★ 1 cited

Fair Recommendations with Limited Sensitive Attributes: A Distributionally Robust Optimization Approach

Tianhao Shi, Yang Zhang, Jizhi Zhang +2

As recommender systems are indispensable in various domains such as job searching and e-commerce, providing equitable recommendations to users with different sensitive attributes b…

cs.IR2024★ 31 cited

Large Language Models are Learnable Planners for Long-Term Recommendation

Wentao Shi, Xiangnan He, Yang Zhang +5

Planning for both immediate and long-term benefits becomes increasingly important in recommendation. Existing methods apply Reinforcement Learning (RL) to learn planning capacity b…

cs.IR2024

Exact and Efficient Unlearning for Large Language Model-based Recommendation

Zhiyu Hu, Yang Zhang, Minghao Xiao +3

The evolving paradigm of Large Language Model-based Recommendation (LLMRec) customizes Large Language Models (LLMs) through parameter-efficient fine-tuning (PEFT) using recommendat…

cs.IR2024

The 2nd Workshop on Recommendation with Generative Models

Wenjie Wang, Yang Zhang, Xinyu Lin +7

The rise of generative models has driven significant advancements in recommender systems, leaving unique opportunities for enhancing users' personalized recommendations. This works…

cs.IR2024★ 3 cited

Prospect Personalized Recommendation on Large Language Model-based Agent Platform

Jizhi Zhang, Keqin Bao, Wenjie Wang +5

The new kind of Agent-oriented information system, exemplified by GPTs, urges us to inspect the information system infrastructure to support Agent-level information processing and…