Capturing Changes in Social Media Content: A Multiple Latent Changepoint Topic Model.
Ning ZhongDavid A. SchweidelPublished in: Mark. Sci. (2020)
Keyphrases
- topic models
- latent variables
- latent topics
- topic modeling
- latent topic model
- latent dirichlet allocation
- probabilistic topic models
- text documents
- baseline models
- co occurrence
- text mining
- generative model
- feature selection
- probabilistic model
- social media content
- probabilistic latent semantic analysis
- variational inference
- generative process
- real world
- supervised topic models
- lda model
- web search
- image segmentation
- social networks
- artificial intelligence