Constrained NMF-based semi-supervised learning for social media spammer detection.
Dingguo YuNan ChenFrank JiangBin FuAihong QinPublished in: Knowl. Based Syst. (2017)
Keyphrases
- semi supervised learning
- social media
- semi supervised
- unlabeled data
- labeled data
- machine learning
- unsupervised learning
- supervised learning
- manifold regularization
- training data
- semi supervised classification
- label propagation
- nonnegative matrix factorization
- negative matrix factorization
- active learning
- graph based semi supervised learning
- computer vision
- graph construction
- object detection
- co training
- learning models
- semi supervised learning algorithms
- matrix factorization
- semi supervised learning methods
- user generated content
- labeled and unlabeled data
- pairwise