Keyphrases
- software maintenance
- source code
- software engineering
- reverse engineering
- software systems
- open source projects
- maintenance activities
- object oriented systems
- regression testing
- software evolution
- software development and maintenance
- effort estimation
- software engineers
- software development
- program understanding
- database
- program comprehension
- software life cycle
- databases
- human computer interaction
- machine learning
- real world
- maintenance effort
- maturity model