Keyphrases
- information retrieval
- document collections
- relevant documents
- information retrieval systems
- metadata
- document classification
- query processing
- document clustering
- legal documents
- database
- plagiarism detection
- text analysis
- piecewise linear
- vector space
- user queries
- co occurrence
- keywords
- search engine
- neural network
- text documents
- text classification
- ranked list
- xml documents
- semantic relationships
- feature selection