
Requirements Engineering
Editors-in-Chief: P. Loucopoulos
Main editor: W.N. Robinson
ISSN: 0947-3602 (print version)
ISSN: 1432-010X (electronic version)
Journal no. 766.
Software Requirements Engineering: What, Why, Who, When, and How
By Linda Westfall
Key words: requirements engineering, requirements elicitation, requirements analysis,
requirements specification, requirements management, stakeholder
ABSTRACT
If software requirements are not right, companies will not end up with the software they
need. This article will discuss:
• What: The various levels and types of requirements that need to be defined
• Why: The benefits of having the right software requirements
• Who: The stakeholders of the software requirements and getting them involved in
the process
• When: Requirements activities throughout the software development life cycle
• How: Techniques for eliciting, analyzing, specifying, and validating software
requirements
Main editor: W.N. Robinson
ISSN: 0947-3602 (print version)
ISSN: 1432-010X (electronic version)
Journal no. 766.
Software Requirements Engineering: What, Why, Who, When, and How
By Linda Westfall
Key words: requirements engineering, requirements elicitation, requirements analysis,
requirements specification, requirements management, stakeholder
ABSTRACT
If software requirements are not right, companies will not end up with the software they
need. This article will discuss:
• What: The various levels and types of requirements that need to be defined
• Why: The benefits of having the right software requirements
• Who: The stakeholders of the software requirements and getting them involved in
the process
• When: Requirements activities throughout the software development life cycle
• How: Techniques for eliciting, analyzing, specifying, and validating software
requirements

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