Keyphrases
- sentiment analysis
- opinion mining
- sentiment classification
- sentence level
- multi aspect
- text classification
- text mining
- online reviews
- information retrieval
- document collections
- active learning
- natural language processing
- text documents
- document clustering
- social media content
- product reviews
- sentiment lexicon
- web documents
- information retrieval systems
- retrieval systems
- opinion retrieval
- user generated
- product features
- image retrieval
- databases
- machine learning
- artificial intelligence
- search engine
- public opinion
- keywords
- relevant documents
- text summarization
- text categorization
- document retrieval