Likelihood Ratios and Generative Classifiers for Unsupervised Out-of-Domain Detection In Task Oriented Dialog.
Varun GangalAbhinav AroraArash EinolghozatiSonal GuptaPublished in: CoRR (2019)
Keyphrases
- discriminative classifiers
- unsupervised learning
- supervised classification
- false alarms
- decision trees
- data driven
- object detection
- maximum likelihood
- domain specific
- false positives
- automatic detection
- support vector
- bayesian networks
- generative model
- detection algorithm
- detection method
- feature selection
- class labels
- object detectors
- test set
- supervised learning
- semi supervised
- training set
- naive bayes
- detection rate
- pairwise
- ensemble learning
- cross domain
- natural language
- training data
- ensemble classifier
- classifier ensemble
- discriminative learning
- data sets
- support vector machine classifier
- adaboost classifier