Keyphrases
- data structure
- efficient data structures
- event detection
- graph theory
- complex events
- graph matching
- graph theoretic
- quadtree
- weighted graph
- graph construction
- event sequences
- graph representation
- graph mining
- labeled graphs
- series parallel
- random graphs
- suffix tree
- inverted index
- data sets
- news articles
- data types
- video sequences
- machine learning