Off-topic Detection Model based on Biterm-LDA and Doc2vec.
Pan LiuJie LiuXiaoli MaJianshe ZhouPublished in: HPCCT/BDAI (2019)
Keyphrases
- topic detection
- hot topics
- linear discriminant analysis
- text classification
- trend analysis
- document collections
- face recognition
- latent dirichlet allocation
- text data
- topic models
- document clustering
- feature extraction
- generative model
- dimensionality reduction
- document level
- information retrieval
- data sets
- co occurrence
- principal component analysis
- image retrieval
- feature space