Non-Adversarial Novelty Detection with Generative Latent Nearest Neighbors.
Chengwei ChenZhizhong ZhangYuan XieHaichuan SongLizhuang MaPublished in: ICME (2021)
Keyphrases
- novelty detection
- nearest neighbor
- k nearest neighbor
- text filtering
- knn
- anomaly detection
- generative model
- latent variables
- nearest neighbor search
- data points
- high dimensional data
- concept drift
- generative process
- probabilistic topic models
- high dimensional
- gaussian process latent variable models
- training set
- support vector data description
- high dimensional spaces
- sentence level
- discriminative learning
- latent space
- neural network
- index structure
- semi supervised
- decision boundary
- data streams
- data sets
- topic models
- naive bayes
- unsupervised learning
- text mining
- probabilistic model
- decision trees
- information retrieval
- machine learning