威格斯(Karl E.Wiegers)是需求工程和軟件過程改進領域內的顧問專傢。作為Process lmpact公司的首席顧問，他曾舉辦過許多培訓講習班，並多次在行業大會上發錶演講。Karl曾兩次榮獲Software Development Productivity Award，這一奬項是專門為奬勵有助於提高生産率的産品和著作而設立的。

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Without formal, verifiable software requirementsand an effective system for managing themthe programs that developers think theyve agreed to build often will not be the same products their customers are expecting. In SOFTWARE REQUIREMENTS, Second Edition, requirements engineering authority Karl Wiegers amplifies the best practices presented in his original award-winning text?now a mainstay for anyone participating in the software development process. In this book, youll discover effective techniques for managing the requirements engineering process all the way through the development cycleincluding dozens of techniques to facilitate that all-important communication between users, developers, and management. This updated edition features new case examples, anecdotes culled from the authors extensive consulting career, and specific Next Steps for putting the books process-improvement principles into practice. Youll also find several new chapters, sample documents, and an incisive troubleshooting guide. Discover how to: Set achievable expectations for functionality and quality NEW: Incorporate business rules into application development Employ use cases to discover user requirements Arrest creeping requirements and manage change requests NEW: Deal with requirements on maintenance, outsourced, and package solution projects Curb the impulse to gold-plate your programs NEW: Grow effective requirements analysts Cut revisionsand costsdramatically Produce better software! No matter what kind of software you build, or what your role in the development process, SOFTWARE REQUIREMENTS, Second Edition, delivers expert guidance and field-tested techniques for engineering software success.