Keyphrases
- sentiment analysis
- sentiment classification
- opinion mining
- tabu search
- positive or negative
- positive and negative
- data sets
- polarity classification
- text classification
- sentence level
- search result diversification
- case study
- public opinion
- real world events
- real time
- information retrieval and extraction
- search strategies
- digital libraries
- clustering algorithm
- linguistic features
- inductive bias
- user comments
- influence propagation