Keyphrases
- document collections
- information retrieval
- information retrieval systems
- document classification
- web documents
- document retrieval
- xml documents
- document clustering
- multimedia documents
- relevant documents
- word spotting
- legal documents
- highly relevant
- vector space model
- text documents
- database
- retrieval systems
- free text
- information extraction
- text analysis
- multimedia
- user queries
- test collection
- relational databases
- multi document summarization
- keywords
- index terms
- plagiarism detection
- distributed information retrieval
- metadata
- data sets