VGGM: Variational Graph Gaussian Mixture Model for Unsupervised Change Point Detection in Dynamic Networks.
Xinxun ZhangPengfei JiaoMengzhou GaoTianpeng LiYiming WuHuaming WuZhidong ZhaoPublished in: IEEE Trans. Inf. Forensics Secur. (2024)
Keyphrases
- dynamic networks
- gaussian mixture model
- change point detection
- sequential data
- mixture model
- network analysis
- network structure
- non stationary
- dynamic behavior
- maximum likelihood
- expectation maximization
- em algorithm
- temporal evolution
- feature vectors
- unsupervised learning
- image segmentation
- hidden markov models
- biological networks
- feature space
- outlier detection
- graph theory
- semi supervised
- supervised learning
- real world networks
- machine learning
- random walk
- text classification
- multi dimensional
- video sequences
- image sequences
- dirichlet process mixture models