On the Theories Behind Hard Negative Sampling for Recommendation.

Wentao Shi Jiawei Chen Fuli Feng Jizhi Zhang Junkang Wu Chongming Gao Xiangnan He

Published in: CoRR (2023)

Keyphrases

positive and negative
collaborative filtering
random sampling
recommender systems
theoretical framework
user preferences
recommendation systems
information systems
sampling algorithm
sampling methods
monte carlo
data sets
sampling strategies
sampling strategy
contextual bandit
data sparsity
parameter space