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researcher

Riwei Lai

2 papers here

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author1
  • middle author1

Across the 2 of 2 papers where every author was matched, so the position is known.

fields
  • cs.IR2
ORCID 0000-0001-9390-8234

identity via Semantic Scholar / OpenAlex

most citedAugmented Negative Sampling for Collaborative Filtering

25 citations · 26 across the 2 of their papers we have counts for

collaborators

2 papers

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.IR2023★ 25 cited

Augmented Negative Sampling for Collaborative Filtering

Yuhan Zhao, Rui Chen, Riwei Lai +3

Negative sampling is essential for implicit-feedback-based collaborative filtering, which is used to constitute negative signals from massive unlabeled data to guide supervised lea…

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