Topic model tutorial: A basic introduction on latent dirichlet allocation and extensions for web scientists.
Christoph Carl KlingLisa PoschArnim BleierLaura DietzPublished in: WebSci (2016)
Keyphrases
- topic models
- latent dirichlet allocation
- topic modeling
- topic discovery
- generative model
- latent topics
- gibbs sampling
- lda model
- text mining
- probabilistic latent semantic analysis
- collapsed gibbs sampling
- text documents
- co occurrence
- variational bayesian inference
- probabilistic model
- variational inference
- hierarchical bayesian model
- latent variables
- machine learning
- probabilistic topic models
- artificial intelligence