Lei Sang

2025

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CETN: Contrast-enhanced Through Network for Click-Through Rate Prediction.
Honghao Li|Lei Sang|Yi Zhang|Xuyun Zhang|Yiwen Zhang
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 1
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AdaGIN: Adaptive Graph Interaction Network for Click-Through Rate Prediction.
Lei Sang|Honghao Li|Yiwen Zhang|Yi Zhang|Yun Yang
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 1
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Simplify to the Limit! Embedding-Less Graph Collaborative Filtering for Recommender Systems.
Yi Zhang|Yiwen Zhang|Lei Sang|Victor S. Sheng
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 1
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Denoising Heterogeneous Graph Pre-training Framework for Recommendation.
Lei Sang|Yu Wang|Yiwen Zhang|Xindong Wu
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 5
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Bottlenecked Heterogeneous Graph Contrastive Learning for Robust Recommendation.
Lei Sang|Maohao Huang|Yu Wang|Yiwen Zhang|Xindong Wu
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 6
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Intent Representation Learning with Large Language Model for Recommendation.
Yu Wang|Lei Sang|Yi Zhang|Yiwen Zhang
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Unveiling Contrastive Learning's Capability of Neighborhood Aggregation for Collaborative Filtering.
Yu Zhang|Yiwen Zhang|Yi Zhang|Lei Sang|Yun Yang
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2024

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Exploring the Individuality and Collectivity of Intents behind Interactions for Graph Collaborative Filtering.
Yi Zhang|Lei Sang|Yiwen Zhang
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024