High-dimensional Contextual Bandit Problem without Sparsity.

Junpei Komiyama Masaaki Imaizumi

Published in: NeurIPS (2023)

Keyphrases

high dimensional
contextual bandit
upper confidence bound
low dimensional
news recommendation
dimensionality reduction
high dimensionality
high dimensional data
variable selection
similarity search
nearest neighbor
feature space
text data
data points
data mining
user comments
feature selection