Word embeddings for topic modeling: An application to the estimation of the economic policy uncertainty index.
Hairo U. Miranda BelmonteVictor Muñiz-SánchezFrancisco CoronaPublished in: Expert Syst. Appl. (2023)
Keyphrases
- topic modeling
- topic models
- latent topics
- latent dirichlet allocation
- text classification
- text mining
- collaborative filtering
- co occurrence
- n gram
- modeling framework
- generative model
- low dimensional
- word sense disambiguation
- text documents
- probabilistic model
- probabilistic latent semantic analysis
- hierarchical bayesian model
- data mining
- nearest neighbor
- pattern recognition
- image segmentation
- artificial intelligence