Keyphrases
- software maintenance
- source code
- software evolution
- maintenance activities
- software systems
- open source projects
- software repositories
- mining software repositories
- natural language
- software life cycle
- modeling language
- maintenance effort
- programming language
- database
- software tools
- software design
- learning objects
- information systems
- metadata
- language processing
- digital libraries
- user interface
- open source
- software projects
- version control
- language learning
- hardware design
- topic maps
- programming environment
- software developers
- software components
- computer systems
- expert systems
- artificial intelligence