Keyphrases
- document clustering
- topic models
- text documents
- text mining
- textual information
- topic modeling
- latent dirichlet allocation
- document representation
- news articles
- generative model
- tf idf
- negative matrix factorization
- clustering method
- keywords
- document classification
- probabilistic model
- vector space model
- document collections
- information retrieval
- co occurrence
- multimedia
- text classification
- text analysis
- document retrieval
- natural language processing
- artificial intelligence
- data mining
- named entities
- text categorization
- information extraction
- cross lingual
- data analysis
- clustering algorithm
- knowledge base