Event Detection in Social Media Through Phase Transition of Bigrams Entropy.
Pedro H. BarrosIsadora Cardoso-PereiraAntonio A. F. LoureiroHeitor S. RamosPublished in: ISCC (2018)
Keyphrases
- event detection
- phase transition
- social media
- constraint satisfaction
- satisfiability problem
- randomly generated
- video surveillance
- np complete
- video event detection
- hard problems
- activity recognition
- video analysis
- event recognition
- social media data
- random constraint satisfaction problems
- random instances
- social networks
- user generated
- user generated content
- scan statistic
- sports video
- social media sites
- constraint satisfaction problems
- composite events
- cellular automata
- np complete problems
- natural language processing
- orders of magnitude