Where are we in embedding spaces? - Sixiao Zhang; Hongxu Chen 002; Xiao Ming; Lizhen Cui; Hongzhi Yin; Guandong Xu (KDD, 2021)

Where are we in embedding spaces? A Comprehensive Analysis on Network Embedding Approaches for Recommender Systems. - Sixiao Zhang; Hongxu Chen 002; Xiao Ming; Lizhen Cui; Hongzhi Yin; Guandong Xu (CoRR, 2021)

Can Language Models Serve as Temporal Knowledge Bases? - Ruilin Zhao; Feng Zhao 003; Guandong Xu; Sixiao Zhang; Hai Jin 001 (EMNLP (Findings), 2022)

Geometric Inductive Matrix Completion: A Hyperbolic Approach with Unified Message Passing. - Chengkun Zhang; Hongxu Chen 002; Sixiao Zhang; Guandong Xu; Junbin Gao (WSDM, 2022)

Unsupervised Graph Poisoning Attack via Contrastive Loss Back-propagation. - Sixiao Zhang; Hongxu Chen 002; Xiangguo Sun; Yicong Li 001; Guandong Xu (WWW, 2022)

Graph Masked Autoencoder. - Hongxu Chen 002; Sixiao Zhang; Guandong Xu (CoRR, 2022)

Generating Counterfactual Hard Negative Samples for Graph Contrastive Learning. - Haoran Yang; Hongxu Chen 002; Sixiao Zhang; Xiangguo Sun; Qian Li 003; Guandong Xu (CoRR, 2022)

Generating Counterfactual Hard Negative Samples for Graph Contrastive Learning. - Haoran Yang; Hongxu Chen 002; Sixiao Zhang; Xiangguo Sun; Qian Li 003; Xiangyu Zhao 001; Guandong Xu (WWW, 2023)

Watermarking Recommender Systems. - Sixiao Zhang; Cheng Long 001; Wei Yuan 003; Hongxu Chen 002; Hongzhi Yin (CIKM, 2024)

Defense Against Model Extraction Attacks on Recommender Systems. - Sixiao Zhang; Hongzhi Yin; Hongxu Chen 002; Cheng Long 001 (WSDM, 2024)

Data Watermarking for Sequential Recommender Systems. - Sixiao Zhang; Cheng Long 001; Wei Yuan 003; Hongxu Chen 002; Hongzhi Yin (CoRR, 2024)

Attention Is Not the Only Choice: Counterfactual Reasoning for Path-Based Explainable Recommendation. - Yicong Li 001; Xiangguo Sun; Hongxu Chen 002; Sixiao Zhang; Yu Yang 012; Guandong Xu (IEEE Trans. Knowl. Data Eng., 2024)

Facet-Aware Multi-Head Mixture-of-Experts Model for Sequential Recommendation. - Mingrui Liu; Sixiao Zhang; Cheng Long 001 (WSDM, 2025)

Mask-based Membership Inference Attacks for Retrieval-Augmented Generation. - Mingrui Liu; Sixiao Zhang; Cheng Long 001 (WWW, 2025)

On Mitigating Data Sparsity in Conversational Recommender Systems. - Sixiao Zhang; Mingrui Liu; Cheng Long 001; Wei Yuan 003; Hongxu Chen 002; Xiangyu Zhao 001; Hongzhi Yin (CoRR, 2025)

Wukong Framework for Not Safe For Work Detection in Text-to-Image systems. - Mingrui Liu; Sixiao Zhang; Cheng Long 001 (CoRR, 2025)