Sentiment analysis of online news text: a case study of appraisal theory.
Christopher S. G. KhooArmineh NourbakhshJin-Cheon NaPublished in: Online Inf. Rev. (2012)
Keyphrases
- sentiment analysis
- online news
- sentence level
- user comments
- opinion mining
- text mining
- sentiment classification
- news stories
- news articles
- text classification
- positive or negative
- product reviews
- topic detection
- text documents
- social media
- sentiment lexicon
- document level
- text data
- natural language processing
- information retrieval
- sentiment polarity
- artificial intelligence
- keywords
- social media content