Opinion mining using ensemble text hidden Markov models for text classification.
Mangi KangJaelim AhnKichun LeePublished in: Expert Syst. Appl. (2018)
Keyphrases
- hidden markov models
- opinion mining
- text classification
- sentiment analysis
- sentiment classification
- sentence level
- text mining
- text documents
- topic modeling
- feature selection
- text categorization
- bag of words
- labeled data
- positive or negative
- conditional random fields
- n gram
- product reviews
- customer reviews
- sequential data
- machine learning
- viterbi algorithm
- language modeling
- knn
- training data
- neural network
- natural language processing
- information retrieval
- baum welch
- unlabeled data
- semantic features
- natural language
- keywords