Feature Selection for Sentiment Classification Using Matrix Factorization.
Jiguang LiangXiaofei ZhouLi GuoShuo BaiPublished in: WWW (Companion Volume) (2015)
Keyphrases
- matrix factorization
- sentiment classification
- feature selection
- text classification
- sentiment analysis
- collaborative filtering
- text categorization
- cross domain
- recommender systems
- low rank
- missing data
- opinion mining
- nonnegative matrix factorization
- knn
- cross lingual
- factorization methods
- sentiment polarity
- machine learning
- support vector
- text mining
- support vector machine
- bag of words
- text documents
- product reviews
- n gram
- dimensionality reduction
- feature space
- unlabeled data
- unsupervised learning
- relevance feedback
- semi supervised
- pairwise
- search engine