The rise of mobile, social and cloud apps required requirements engineering (RE) to adapt itself. The traditional methods of RE are very inefficient in situations involving thousands to millions of current and potential users of a (software) product. The crowd is an interesting source for RE because it produces user feedback in texts and usage data. Being able to respond quickly, effectively and iteratively to the requirements, problems, wishes and needs identified in user feedback can increase a product’s success. Crowd-Based RE (CrowdRE) seeks to provide RE with suitable means for this crowd paradigm.
The Fifth Workshop on Crowd-Based Requirements Engineering (CrowdRE’21) focuses on CrowdRE in the era of the COVID-19 pandemic and bridging the gap between CrowdRE and development.
CrowdRE’21 builds on the successes of its previous editions, which unified the visions into a coherent RE approach (CrowdRE’15), established a roadmap and shared resources (CrowdRE’17), strengthened relationships to artificial intelligence techniques (CrowdRE as special focal topic of AIRE’18), redefined its scope (CrowdRE’19), and expanded into digital transformation territory (CrowdRE’20).