IdeaGraph Plus: A Topic-Based Algorithm for Perceiving Unnoticed Events.
Chen ZhangHao WangFanjiang XuXiaohui HuPublished in: ICDM Workshops (2013)
Keyphrases
- improved algorithm
- detection algorithm
- search space
- dynamic programming
- learning algorithm
- cost function
- np hard
- times faster
- theoretical analysis
- experimental evaluation
- preprocessing
- significant improvement
- particle swarm optimization
- computational complexity
- optimal solution
- estimation algorithm
- single pass
- computational cost
- convergence rate
- experimental study
- expectation maximization
- objective function