Keyphrases
- document collections
- information retrieval
- page layout
- retrieval engine
- text documents
- information retrieval systems
- web documents
- document retrieval
- document image retrieval
- retrieval systems
- document classification
- relevant documents
- metadata
- document clustering
- keywords
- xml documents
- vector space model
- document representation
- latent semantic analysis
- electronic documents
- database
- test collection
- document type
- layout design
- textual content
- document analysis
- retrieved documents
- free text
- semantic information
- user queries