Keyphrases
- source code
- visualization tools
- open source
- visualization tool
- information visualization
- historical information
- software systems
- software projects
- software evolution
- high level
- knowledge base
- log files
- software maintenance
- program understanding
- source files
- data mining and knowledge discovery
- free software
- software repositories
- plagiarism detection
- database
- bug localization
- domain specific
- image data
- real world