Likelihood Ratios and Generative Classifiers for Unsupervised Out-of-Domain Detection in Task Oriented Dialog.
Varun GangalAbhinav AroraArash EinolghozatiSonal GuptaPublished in: AAAI (2020)
Keyphrases
- discriminative classifiers
- unsupervised learning
- supervised classification
- data driven
- automatic detection
- detection algorithm
- object detection
- decision trees
- training data
- test set
- detection method
- domain specific
- maximum likelihood
- supervised learning
- adaboost classifier
- support vector machine classifier
- training set
- user interface
- semi supervised
- false alarms
- domain independent
- false positives
- data sets
- generative model
- roc curve
- linear classifiers
- mixed initiative
- conversational agent
- class labels
- boosted classifiers