LDA Algorithm for the Identification of Topics: A Case of Study in the Most Influential Twitter Accounts in Ecuador.
Jorge O. Ordoñez-OrdoñezLuis F. Guerrero-VásquezPaul A. Chasi-PesántezDavid P. Barros-PiedraEdwin J. Coronel-GonzálezKatherine C. Bustamante-CacaoPublished in: ICICT (3) (2021)
Keyphrases
- learning algorithm
- optimization algorithm
- np hard
- cost function
- identification rate
- optimal solution
- matching algorithm
- worst case
- expectation maximization
- segmentation algorithm
- detection algorithm
- preprocessing
- latent dirichlet allocation
- objective function
- dynamic programming
- similarity measure
- topic models
- simulated annealing
- topic detection
- computational cost
- knn
- k means
- feature space
- computational complexity
- social networks