activity
20192026
most citedA Review-aware Graph Contrastive Learning Framework for Recommendation

169 citations · 375 across the 26 of their papers we have counts for

collaborators

26 papers

cs.CR2026

Safety Anchor: Defending Harmful Fine-tuning via Geometric Bottlenecks

Guoxin Lu, Letian Sha, Qing Wang +4

The safety alignment of Large Language Models (LLMs) remains vulnerable to Harmful Fine-tuning (HFT). While existing defenses impose constraints on parameters, gradients, or intern…

cs.IR2026

PRISM: Personalized Recommendation via Information Synergy Module

Xinyi Zhang, Yutong Li, Peijie Sun +2

Multimodal sequential recommendation (MSR) leverages diverse item modalities to improve recommendation accuracy, while achieving effective and adaptive fusion remains challenging.…

cs.CR2025

Differentiated Directional Intervention A Framework for Evading LLM Safety Alignment

Peng Zhang, Peijie Sun

Safety alignment instills in Large Language Models (LLMs) a critical capacity to refuse malicious requests. Prior works have modeled this refusal mechanism as a single linear direc…

eess.AS2025

Speech Recognition Model Improves Text-to-Speech Synthesis using Fine-Grained Reward

Guansu Wang, Peijie Sun

Recent advances in text-to-speech (TTS) have enabled models to clone arbitrary unseen speakers and synthesize high-quality, natural-sounding speech. However, evaluation methods lag…

cs.LG2025

HADSF: Aspect Aware Semantic Control for Explainable Recommendation

Zheng Nie, Peijie Sun

Recent advances in large language models (LLMs) promise more effective information extraction for review-based recommender systems, yet current methods still (i) mine free-form rev…

cs.IR2024

Popularity-Aware Alignment and Contrast for Mitigating Popularity Bias

Miaomiao Cai, Lei Chen, Yifan Wang +5

Collaborative Filtering (CF) typically suffers from the significant challenge of popularity bias due to the uneven distribution of items in real-world datasets. This bias leads to…

cs.IR2024

Large Language Models as Evaluators for Recommendation Explanations

Xiaoyu Zhang, Yishan Li, Jiayin Wang +4

The explainability of recommender systems has attracted significant attention in academia and industry. Many efforts have been made for explainable recommendations, yet evaluating…

cs.IR2024

ReChorus2.0: A Modular and Task-Flexible Recommendation Library

Jiayu Li, Hanyu Li, Zhiyu He +4

With the applications of recommendation systems rapidly expanding, an increasing number of studies have focused on every aspect of recommender systems with different data inputs, m…

cs.IR2024★ 1 cited

Double Correction Framework for Denoising Recommendation

Zhuangzhuang He, Yifan Wang, Yonghui Yang +6

As its availability and generality in online services, implicit feedback is more commonly used in recommender systems. However, implicit feedback usually presents noisy samples in…

cs.IR2024★ 13 cited

Collaborative-Enhanced Prediction of Spending on Newly Downloaded Mobile Games under Consumption Uncertainty

Peijie Sun, Yifan Wang, Min Zhang +5

With the surge in mobile gaming, accurately predicting user spending on newly downloaded games has become paramount for maximizing revenue. However, the inherently unpredictable na…

cs.CL2024★ 2 cited

A User-Centric Multi-Intent Benchmark for Evaluating Large Language Models

Jiayin Wang, Fengran Mo, Weizhi Ma +3

Large language models (LLMs) are essential tools that users employ across various scenarios, so evaluating their performance and guiding users in selecting the suitable service is…

cs.IR2024

EEG-SVRec: An EEG Dataset with User Multidimensional Affective Engagement Labels in Short Video Recommendation

Shaorun Zhang, Zhiyu He, Ziyi Ye +4

In recent years, short video platforms have gained widespread popularity, making the quality of video recommendations crucial for retaining users. Existing recommendation systems p…

cs.IR2024★ 1 cited

Aiming at the Target: Filter Collaborative Information for Cross-Domain Recommendation

Hanyu Li, Weizhi Ma, Peijie Sun +6

Cross-domain recommender (CDR) systems aim to enhance the performance of the target domain by utilizing data from other related domains. However, irrelevant information from the so…

cs.IR2024★ 3 cited

Sequential Recommendation with Latent Relations based on Large Language Model

Shenghao Yang, Weizhi Ma, Peijie Sun +4

Sequential recommender systems predict items that may interest users by modeling their preferences based on historical interactions. Traditional sequential recommendation methods r…

cs.IR2024★ 2 cited

Common Sense Enhanced Knowledge-based Recommendation with Large Language Model

Shenghao Yang, Weizhi Ma, Peijie Sun +4

Knowledge-based recommendation models effectively alleviate the data sparsity issue leveraging the side information in the knowledge graph, and have achieved considerable performan…

cs.IR2024

A Situation-aware Enhancer for Personalized Recommendation

Jiayu Li, Peijie Sun, Chumeng Jiang +3

When users interact with Recommender Systems (RecSys), current situations, such as time, location, and environment, significantly influence their preferences. Situations serve as t…

cs.IR2024★ 2 cited

Recommender for Its Purpose: Repeat and Exploration in Food Delivery Recommendations

Jiayu Li, Aixin Sun, Weizhi Ma +2

Recommender systems have been widely used for various scenarios, such as e-commerce, news, and music, providing online contents to help and enrich users' daily life. Different scen…

cs.IR2024★ 52 cited

Neighborhood-Enhanced Supervised Contrastive Learning for Collaborative Filtering

Peijie Sun, Le Wu, Kun Zhang +2

While effective in recommendation tasks, collaborative filtering (CF) techniques face the challenge of data sparsity. Researchers have begun leveraging contrastive learning to intr…

cs.IR2024★ 18 cited

Intersectional Two-sided Fairness in Recommendation

Yifan Wang, Peijie Sun, Weizhi Ma +4

Fairness of recommender systems (RS) has attracted increasing attention recently. Based on the involved stakeholders, the fairness of RS can be divided into user fairness, item fai…

cs.HC2024★ 19 cited

Understanding User Experience in Large Language Model Interactions

Jiayin Wang, Weizhi Ma, Peijie Sun +2

In the rapidly evolving landscape of large language models (LLMs), most research has primarily viewed them as independent individuals, focusing on assessing their capabilities thro…

cs.IR2023★ 11 cited

Unbiased Delayed Feedback Label Correction for Conversion Rate Prediction

Yifan Wang, Peijie Sun, Min Zhang +3

Conversion rate prediction is critical to many online applications such as digital display advertising. To capture dynamic data distribution, industrial systems often require retra…

cs.IR2023

Intent-aware Ranking Ensemble for Personalized Recommendation

Jiayu Li, Peijie Sun, Zhefan Wang +5

Ranking ensemble is a critical component in real recommender systems. When a user visits a platform, the system will prepare several item lists, each of which is generally from a s…

cs.IR2022★ 169 cited

A Review-aware Graph Contrastive Learning Framework for Recommendation

Jie Shuai, Kun Zhang, Le Wu +4

Most modern recommender systems predict users preferences with two components: user and item embedding learning, followed by the user-item interaction modeling. By utilizing the au…

cs.IR2022★ 4 cited

ProFairRec: Provider Fairness-aware News Recommendation

Tao Qi, Fangzhao Wu, Chuhan Wu +5

News recommendation aims to help online news platform users find their preferred news articles. Existing news recommendation methods usually learn models from historical user behav…