Using the European Commission country recommendations to predict sovereign ratings: A topic modeling approach.
Iván Pastor SanzPublished in: Expert Syst. Appl. X (2020)
Keyphrases
- topic modeling
- collaborative filtering
- recommender systems
- topic models
- collaborative filtering algorithms
- user preferences
- user ratings
- latent factor models
- personalized recommendation
- cold start
- opinion mining
- cold start problem
- recommendation systems
- latent dirichlet allocation
- recommendation algorithms
- text mining
- modeling framework
- topic extraction
- scientific articles
- active user
- text classification
- probabilistic model
- artificial intelligence
- neural network
- text documents
- generative model
- text corpora
- pattern recognition
- data mining
- action recognition
- user profiles
- information retrieval