Powered Hawkes-Dirichlet Process: Challenging Textual Clustering using a Flexible Temporal Prior.
Gaël Poux-MédardJulien VelcinSabine LoudcherPublished in: ICDM (2021)
Keyphrases
- dirichlet process
- bayesian model
- dirichlet process mixture models
- multi task learning
- mixture model
- gaussian processes
- chinese restaurant process
- sampling algorithm
- k means
- clustering algorithm
- posterior distribution
- bayesian framework
- latent topics
- markov chain monte carlo
- variational inference
- unsupervised learning
- variational methods
- prior knowledge
- bag of words
- multi task
- model selection
- image classification