An Aspect-Based Semi-supervised Generative Model for Online Review Spam Detection.
Shitao WangWenjun JiangShuhong ChenPublished in: UbiSec (2022)
Keyphrases
- generative model
- semi supervised
- spam detection
- generative and discriminative models
- pairwise
- semi supervised learning
- labeled data
- unlabeled data
- probabilistic model
- web spam
- unsupervised learning
- active learning
- supervised learning
- em algorithm
- pairwise constraints
- co training
- fraud detection
- web graph
- maximum likelihood
- prior knowledge
- feature selection