Lei Chen

39 papers A* 11Journal 25Unranked 3
YearRankTypeTitle / Venue / Authors
2026 A* conf
BalDRO: A Distributionally Robust Optimization based Framework for Large Language Model Unlearning.
WWW
Pengyang Shao, Naixin Zhai, Lei Chen, Yonghui Yang, Fengbin Zhu, Xun Yang, Meng Wang
2026 J jnl
BalDRO: A Distributionally Robust Optimization based Framework for Large Language Model Unlearning.
CoRR
Pengyang Shao, Naixin Zhai, Lei Chen, Yonghui Yang, Fengbin Zhu, Xun Yang, Meng Wang
2026 J jnl
Graph-Structured Driven Dual Adaptation for Mitigating Popularity Bias.
IEEE Trans. Knowl. Data Eng.
Miaomiao Cai, Lei Chen, Yifan Wang, Zhiyong Cheng, Min Zhang, Meng Wang
2026 — conf
Multi-Agent Debate based Concept Augmentation for Enhanced Cognitive Diagnosis.
KDD (1)
Pengyang Shao, Lei Chen, Fei Liu, Yonghui Yang, Xun Yang, Meng Wang
2025 J jnl
Breaking student-concept sparsity barrier for cognitive diagnosis.
Frontiers Comput. Sci.
Pengyang Shao, Kun Zhang, Chen Gao, Lei Chen, Miaomiao Cai, Le Wu, Yong Li, Meng Wang
2025 J jnl
Enhancing ID-based Recommendation with Large Language Models.
ACM Trans. Inf. Syst.
Lei Chen, Chen Gao, Xiaoyi Du, Hengliang Luo, Depeng Jin, Yong Li, Meng Wang
2025 — conf
Exploring Heterogeneity and Uncertainty for Graph-based Cognitive Diagnosis Models in Intelligent Education.
KDD (1)
Pengyang Shao, Yonghui Yang, Chen Gao, Lei Chen, Kun Zhang, Chenyi Zhuang, Le Wu, Yong Li, Meng Wang
2025 J jnl
From Pixels to Insights: Unsupervised Knowledge Graph Generation with Large Language Model.
Inf.
Lei Chen, Zhenyu Chen, Wei Yang, Shi Liu, Yong Li
2025 J jnl
Graph-Structured Driven Dual Adaptation for Mitigating Popularity Bias.
CoRR
Miaomiao Cai, Lei Chen, Yifan Wang, Zhiyong Cheng, Min Zhang, Meng Wang
2025 J jnl
Mitigating Recommendation Biases via Group-Alignment and Global-Uniformity in Representation Learning.
CoRR
Miaomiao Cai, Min Hou, Lei Chen, Le Wu, Haoyue Bai, Yong Li, Meng Wang
2025 J jnl
Privacy-preserving recommendation with coarse-grained spatiotemporal contexts.
Sci. China Inf. Sci.
Lei Chen, Chen Gao, Jiahuan Lei, Xiaoyi Du, Xinlei Shi, Hengliang Luo, Depeng Jin, Yong Li, Meng Wang
2024 J jnl
Enhancing ID-based Recommendation with Large Language Models.
CoRR
Lei Chen, Chen Gao, Xiaoyi Du, Hengliang Luo, Depeng Jin, Yong Li, Meng Wang
2024 J jnl
Improving Cognitive Diagnosis Models with Adaptive Relational Graph Neural Networks.
CoRR
Pengyang Shao, Chen Gao, Lei Chen, Yonghui Yang, Kun Zhang, Meng Wang
2024 J jnl
Mitigating Recommendation Biases via Group-Alignment and Global-Uniformity in Representation Learning.
ACM Trans. Intell. Syst. Technol.
Miaomiao Cai, Min Hou, Lei Chen, Le Wu, Haoyue Bai, Yong Li, Meng Wang
2024 A* conf
Popularity-Aware Alignment and Contrast for Mitigating Popularity Bias.
KDD
Miaomiao Cai, Lei Chen, Yifan Wang, Haoyue Bai, Peijie Sun, Le Wu, Min Zhang, Meng Wang
2024 J jnl
Popularity-Aware Alignment and Contrast for Mitigating Popularity Bias.
CoRR
Miaomiao Cai, Lei Chen, Yifan Wang, Haoyue Bai, Peijie Sun, Le Wu, Min Zhang, Meng Wang
2023 A* conf
Disentangling Cognitive Diagnosis with Limited Exercise Labels.
NeurIPS
Xiangzhi Chen, Le Wu, Fei Liu, Lei Chen, Kun Zhang, Richang Hong, Meng Wang
2023 A* conf
Improving Recommendation Fairness via Data Augmentation.
WWW
Lei Chen, Le Wu, Kun Zhang, Richang Hong, Defu Lian, Zhiqiang Zhang, Jun Zhou, Meng Wang
2023 J jnl
Improving Recommendation Fairness via Data Augmentation.
CoRR
Lei Chen, Le Wu, Kun Zhang, Richang Hong, Defu Lian, Zhiqiang Zhang, Jun Zhou, Meng Wang
2022 J jnl
FairCF: fairness-aware collaborative filtering.
Sci. China Inf. Sci.
Pengyang Shao, Le Wu, Lei Chen, Kun Zhang, Meng Wang
2022 A* conf
Investigating Accuracy-Novelty Performance for Graph-based Collaborative Filtering.
SIGIR
Minghao Zhao, Le Wu, Yile Liang, Lei Chen, Jian Zhang, Qilin Deng, Kai Wang, Xudong Shen, Tangjie Lv, Runze Wu
2022 J jnl
Investigating Accuracy-Novelty Performance for Graph-based Collaborative Filtering.
CoRR
Minghao Zhao, Le Wu, Yile Liang, Lei Chen, Jian Zhang, Qilin Deng, Kai Wang, Xudong Shen, Tangjie Lv, Runze Wu
2021 J jnl
Learning Fair Representations for Bipartite Graph based Recommendation.
CoRR
Le Wu, Lei Chen, Pengyang Shao, Richang Hong, Xiting Wang, Meng Wang
2021 A* conf
Learning Fair Representations for Recommendation: A Graph-based Perspective.
WWW
Le Wu, Lei Chen, Pengyang Shao, Richang Hong, Xiting Wang, Meng Wang
2021 A* conf
MixSeq: Connecting Macroscopic Time Series Forecasting with Microscopic Time Series Data.
NeurIPS
Zhibo Zhu, Ziqi Liu, Ge Jin, Zhiqiang Zhang, Lei Chen, Jun Zhou, Jianyong Zhou
2021 J jnl
MixSeq: Connecting Macroscopic Time Series Forecasting with Microscopic Time Series Data.
CoRR
Zhibo Zhu, Ziqi Liu, Ge Jin, Zhiqiang Zhang, Lei Chen, Jun Zhou, Jianyong Zhou
2021 A* conf
Set2setRank: Collaborative Set to Set Ranking for Implicit Feedback based Recommendation.
SIGIR
Lei Chen, Le Wu, Kun Zhang, Richang Hong, Meng Wang
2021 J jnl
Set2setRank: Collaborative Set to Set Ranking for Implicit Feedback based Recommendation.
CoRR
Lei Chen, Le Wu, Kun Zhang, Richang Hong, Meng Wang
2020 J jnl
A Hierarchical Attention Model for Social Contextual Image Recommendation.
IEEE Trans. Knowl. Data Eng.
Le Wu, Lei Chen, Richang Hong, Yanjie Fu, Xing Xie, Meng Wang
2020 A* conf
Learning to Transfer Graph Embeddings for Inductive Graph based Recommendation.
SIGIR
Le Wu, Yonghui Yang, Lei Chen, Defu Lian, Richang Hong, Meng Wang
2020 J jnl
Learning to Transfer Graph Embeddings for Inductive Graph based Recommendation.
CoRR
Le Wu, Yonghui Yang, Lei Chen, Defu Lian, Richang Hong, Meng Wang
2020 A* conf
Revisiting Graph Based Collaborative Filtering: A Linear Residual Graph Convolutional Network Approach.
AAAI
Lei Chen, Le Wu, Richang Hong, Kun Zhang, Meng Wang
2020 J jnl
Revisiting Graph based Collaborative Filtering: A Linear Residual Graph Convolutional Network Approach.
CoRR
Lei Chen, Le Wu, Richang Hong, Kun Zhang, Meng Wang
2019 J jnl
Learning from visual content and style: an image-enhanced recommendation model.
CCF Trans. Pervasive Comput. Interact.
Suchang Luo, Lei Chen, Le Wu
2019 A* conf
Personalized Multimedia Item and Key Frame Recommendation.
IJCAI
Le Wu, Lei Chen, Yonghui Yang, Richang Hong, Yong Ge, Xing Xie, Meng Wang
2019 J jnl
Personalized Multimedia Item and Key Frame Recommendation.
CoRR
Le Wu, Lei Chen, Yonghui Yang, Richang Hong, Yong Ge, Xing Xie, Meng Wang
2019 J jnl
Quality-Aware Unpaired Image-to-Image Translation.
IEEE Trans. Multim.
Lei Chen, Le Wu, Zhenzhen Hu, Meng Wang
2019 J jnl
Quality-aware Unpaired Image-to-Image Translation.
CoRR
Lei Chen, Le Wu, Zhenzhen Hu, Meng Wang
2013 — conf
A Subtopic Taxonomy-Aware Framework for Diversity Evaluation.
EVIA@NTCIR
Fei Chen, Yiqun Liu, Min Zhang, Shaoping Ma, Lei Chen