Unsupervised Cyberbullying Detection via Time-Informed Gaussian Mixture Model.
Lu ChengKai ShuSiqi WuYasin N. SilvaDeborah L. HallHuan LiuPublished in: CIKM (2020)
Keyphrases
- gaussian mixture model
- mixture model
- em algorithm
- feature vectors
- gaussian mixture
- speaker clustering
- unsupervised learning
- maximum likelihood
- partially supervised
- speaker recognition
- expectation maximization
- speaker identification
- feature space
- semi supervised
- supervised learning
- probabilistic model
- gaussian model
- mouth region
- information retrieval
- detection method
- gaussian mixture modeling
- detection algorithm
- mixture of gaussians
- gaussian distribution
- similarity measure
- learning algorithm