Um Método não Supervisionado Baseado em Tópicos para Identificar Dimensões de Reputação em Microblogs [An Unsupervised Topic-based Method for Identifying Reputation Dimensions in Microblogs].
Brayan NevesAndreson A. FerreiraPublished in: SBSI (2016)
Keyphrases
- unsupervised learning
- em algorithm
- preprocessing
- experimental evaluation
- probabilistic model
- expectation maximization
- synthetic data
- computational cost
- high accuracy
- edge detection
- density estimation
- neural network
- detection method
- generative model
- k means
- significant improvement
- parameter estimation
- prior knowledge
- classification method
- similarity measure