Necessary and Sufficient Conditions for Novel Word Detection in Separable Topic Models.
Weicong DingPrakash IshwarMohammad H. RohbanVenkatesh SaligramaPublished in: CoRR (2013)
Keyphrases
- sufficient conditions
- topic models
- latent topics
- co occurrence
- latent topic models
- latent dirichlet allocation
- topic modeling
- statistical topic models
- text documents
- probabilistic model
- generative model
- exponential stability
- asymptotic stability
- text mining
- text corpora
- visual recognition
- latent variables
- relevance model
- optimal policy
- efficiently computable
- upper bound
- markov chain
- machine translation
- multi class
- lyapunov function
- expectation maximization
- n gram
- robust stability
- hierarchical bayesian model
- knowledge base