activity
20232025
most citedAttention Is Not the Only Choice: Counterfactual Reasoning for Path-Based Explainable Recommendation

45 citations · 46 across the 4 of their papers we have counts for

collaborators

5 papers

cs.IR2025

On Mitigating Data Sparsity in Conversational Recommender Systems

Sixiao Zhang, Mingrui Liu, Wei Yuan +2

Conversational recommender systems (CRSs) infer user preferences from dialogue contexts, but they suffer from severe data sparsity in both dialogue and entity spaces. Dialogue data…

cs.IR2024

Data Watermarking for Sequential Recommender Systems

Sixiao Zhang, Cheng Long, Wei Yuan +2

In the era of large foundation models, data has become a crucial component in building high-performance AI systems. As the demand for high-quality and large-scale data continues to…

cs.IR2024★ 1 cited

Watermarking Recommender Systems

Sixiao Zhang, Cheng Long, Wei Yuan +2

Recommender systems embody significant commercial value and represent crucial intellectual property. However, the integrity of these systems is constantly challenged by malicious a…

cs.IR2024★ 45 cited

Attention Is Not the Only Choice: Counterfactual Reasoning for Path-Based Explainable Recommendation

Yicong Li, Xiangguo Sun, Hongxu Chen +3

Compared with only pursuing recommendation accuracy, the explainability of a recommendation model has drawn more attention in recent years. Many graph-based recommendations resort…

cs.LG2023

Defense Against Model Extraction Attacks on Recommender Systems

Sixiao Zhang, Hongzhi Yin, Hongxu Chen +1

The robustness of recommender systems has become a prominent topic within the research community. Numerous adversarial attacks have been proposed, but most of them rely on extensiv…