High-dimensional Contextual Bandit Problem without Sparsity.
Junpei KomiyamaMasaaki ImaizumiPublished in: CoRR (2023)
Keyphrases
- high dimensional
- contextual bandit
- upper confidence bound
- low dimensional
- high dimensionality
- dimensionality reduction
- similarity search
- news recommendation
- feature space
- high dimensional data
- data points
- variable selection
- nearest neighbor
- machine learning
- co occurrence
- sparse representation
- parameter space
- information extraction