Content analysis of e-petitions with topic modeling: How to train and evaluate LDA models?
Loni HagenPublished in: Inf. Process. Manag. (2018)
Keyphrases
- topic modeling
- content analysis
- topic models
- modeling framework
- latent dirichlet allocation
- latent topics
- probabilistic topic models
- probabilistic latent semantic analysis
- probabilistic model
- text mining
- collaborative learning
- lda model
- computer supported collaborative learning
- variational inference
- knowledge construction
- online discussion
- text documents
- prior knowledge
- text corpora
- feature space
- video content
- text classification