Keyphrases
- high accuracy
- metadata
- document collections
- information retrieval systems
- information retrieval
- patient records
- medical records
- document retrieval
- text documents
- web documents
- legal documents
- digital documents
- keywords
- relevant documents
- document classification
- database
- xml documents
- web data
- document clustering
- retrieval systems
- ranked list
- vector space model
- medical domain
- vector space
- user queries
- free text
- query terms
- medical diagnosis
- wordnet
- document analysis