Hierarchical classification in text mining for sentiment analysis of online news.
Jinyan LiSimon FongZhuang YanRichard KhouryPublished in: Soft Comput. (2016)
Keyphrases
- sentiment analysis
- hierarchical classification
- online news
- text mining
- text classification
- topic detection
- news articles
- text documents
- opinion mining
- text data
- knowledge discovery
- natural language processing
- sentiment classification
- news stories
- text categorization
- information extraction
- sentence level
- bag of words
- hierarchical structure
- document clustering
- naive bayes
- information retrieval
- labeled data
- topic models
- data mining
- classification algorithm
- named entities
- transfer learning
- unlabeled data
- data analysis
- machine learning
- k nearest neighbor
- feature selection
- real world
- topic modeling
- sentiment lexicon