Generate Adjective Sentiment Dictionary for Social Media Sentiment Analysis Using Constrained Nonnegative Matrix Factorization.
Wei PengDae Hoon ParkPublished in: ICWSM (2011)
Keyphrases
- sentiment analysis
- nonnegative matrix factorization
- social media
- social media content
- public opinion
- opinion mining
- sentiment classification
- negative matrix factorization
- text classification
- matrix factorization
- sentence level
- data representation
- sentiment lexicon
- sparse representation
- spectral clustering
- text mining
- user generated
- natural language processing
- online reviews
- sentiment words
- product reviews
- user generated content
- product features
- document clustering
- least squares
- data mining
- feature selection