Keyphrases
- visualization tool
- keyphrase extraction
- keyphrases
- visual exploration
- open source
- document retrieval
- visualization tools
- information retrieval systems
- document images
- information retrieval
- information visualization
- data analysis
- keywords
- document clustering
- domain specific
- graphical user interface
- document classification
- web documents
- document collections
- retrieval systems
- automatic text summarization
- text documents
- database
- data driven
- data mining
- vector space model
- news articles
- document analysis
- semantic information
- text mining
- machine learning