Keyphrases
- event detection
- social media streams
- social media
- data gathering
- event recognition
- video event detection
- activity recognition
- video surveillance
- real time
- wireless sensor networks
- data collection
- sensor networks
- active database management systems
- scan statistic
- social networks
- semantic event detection
- base station
- composite events
- sports video
- energy efficient
- video analysis
- learning algorithm