Unsupervised Off-Topic Essay Detection Based on Target and Reference Prompts.
Xia LiQifan WenKongxin PanPublished in: CIS (2017)
Keyphrases
- target detection
- detection algorithm
- topic modeling
- detection method
- neural network
- semi supervised
- news articles
- novelty detection
- computer vision
- supervised learning
- false alarms
- unsupervised learning
- detection accuracy
- latent dirichlet allocation
- topic discovery
- target tracking
- multiple targets
- real time
- learning processes
- automatic detection
- false positives
- anomaly detection
- data driven
- object detection
- digital images
- search engine
- information retrieval
- data sets