Topic-wise, Sentiment-wise, or Otherwise? Identifying the Hidden Dimension for Unsupervised Text Classification.
Sajib DasguptaVincent NgPublished in: EMNLP (2009)
Keyphrases
- text classification
- sentiment analysis
- topic modeling
- sentiment classification
- topic discovery
- pairwise
- opinion mining
- unsupervised learning
- linguistic features
- topic detection
- machine learning
- text mining
- feature selection
- n gram
- topic specific
- databases
- semi supervised
- multi label
- opinion retrieval
- data cleaning
- influence propagation
- semantic features
- positive and negative
- bag of words
- labeled data
- knn
- social networks
- neural network