Keyphrases
- information retrieval
- data analysis
- information retrieval systems
- web documents
- tag clouds
- document images
- retrieval systems
- document classification
- textual content
- digital documents
- visualization tool
- text documents
- relevant documents
- document collections
- data visualization
- structured documents
- interactive visualization
- keywords
- vector space model
- information space
- self organizing maps
- visualization tools
- user queries
- document structure