25 citations · 26 across the 5 of their papers we have counts for
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cs.IR2024
Matryoshka Representation Learning for Recommendation
Riwei Lai, Li Chen, Weixin Chen +1
Representation learning is essential for deep-neural-network-based recommender systems to capture user preferences and item features within fixed-dimensional user and item vectors.…
cs.IR2024★ 1 cited
Adaptive Hardness Negative Sampling for Collaborative Filtering
Riwei Lai, Rui Chen, Qilong Han +2
Negative sampling is essential for implicit collaborative filtering to provide proper negative training signals so as to achieve desirable performance. We experimentally unveil a c…
cs.IR2024
A Survey on Data-Centric Recommender Systems
Riwei Lai, Rui Chen, Chi Zhang
Recommender systems (RSs) have become an essential tool for mitigating information overload in a range of real-world applications. Recent trends in RSs have revealed a major paradi…