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refactoring
subject			fact

refactoring	has definition Changing part of the design; performed as part of reengineering
	is part of reengineering
	is a subtopic of 11.2 - Software Process Models
	is a kind of maintenance
	is a kind of software engineering
maintenance	is part of software engineering
software engineering	has challenge accurately forecasting how much time it will take either to develop a system, or to make a specific set of changes
	has definition from the Canadian Standards Association The systematic activities involved in the design, implementation and testing of software to optimize its production and support
	has definition from the IEEE (1) The application of a systematic, disciplined, quantifiable approach to the development, operation, maintenance of software; that is, the application of engineering to software. (2) The study of approaches as in (1)
	has goal solving customers' problems
	has part ensuring that maintenance and evolution of software is done in a systematic way
	has part evolution
	has part maintenance
	has part managing software projects
	has part programming
	has part programming
	has part project management
	involves applying well-understood techniques in an organized and disciplined way
	involves the translation of higher-level designs into particular programming languages
	is / labour-intensive
	is highly iterative
	is undergoing development in its technology and techniques
	is normally organized into software projects
	sometimes consists of developing completely new software
	uses resources such as the time and money of the stakeholders, and the CPU-time and memory of computers
	usually consists of modifying software that has been already written - this is because software is normally continually changed over a period of years until it becomes obsolete
process	see also process^2

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