Keyphrases
- positive or negative
- sentence level
- detection algorithm
- false alarms
- detection accuracy
- object detection
- detection method
- automatic detection
- text recognition
- text mining
- false positives
- sentiment analysis
- keywords
- text documents
- event detection
- complex background
- polarity classification
- database
- detection rate
- feature vectors
- vector space
- sentiment classification
- web documents
- face recognition
- linguistic features
- document level
- information retrieval
- neural network