Keyphrases
- empirical studies
- real world data sets
- source code
- programming language
- empirical analysis
- object oriented
- computer users
- software development
- program comprehension
- uci datasets
- computer assisted language learning
- systematic review
- database
- database programming
- open source
- high level
- software systems
- software engineering
- information systems
- programming concepts
- artificial intelligence
- data mining
- databases