Keyphrases
- document categorization
- automatic categorization
- automatic text categorization
- document collections
- text categorization
- information retrieval
- legal documents
- document retrieval
- web documents
- text documents
- relevant documents
- xml documents
- free text
- information retrieval systems
- neural network
- feature selection
- metadata
- multi document summarization
- document classification
- document clustering
- keywords
- semantic relationships
- image categorization
- co occurrence
- machine learning
- text classification
- database
- vector space model
- retrieved documents
- test collection
- document analysis
- textual content
- probabilistic model
- electronic documents
- digital documents