Software requirement reuse strategies are necessary to capitalize and reuse knowledge in the requirement engineering phase. The PABRE framework is designed to support requirement reuse through the use of software requirement patterns. It consists of a meta-model that describes the main concepts around the notion of pattern, a method to conduct the elicitation and documentation processes, a catalogue of patterns, and a tool that supports the catalogue’s management and use. In this chapter all these elements are presented in detail making emphasis on the construction, use and evolution of software requirement patterns. Furthermore, the chapter includes the construction of a catalogue of nontechnical software requirement patterns for illustration purposes.

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