Requirements Engineering: Foundation for Software Quality [electronic resource] : 21st International Working Conference, REFSQ 2015, Essen, Germany, March 23-26, 2015. Proceedings / edited by Samuel A. Fricker, Kurt Schneider.

Experimental Validation of a Risk Assessment Method -- Supporting the Validation of Adequacy in Requirements-based Hazard Mitigations -- Evaluating Feature Models: A Goal-Question-Metric Study at Opel -- Modeling and Reasoning about Information Quality Requirements -- Detecting and Correcting Outdated Requirements in Function-Centered Engineering of Embedded Systems -- Estimating the Implementation Risk of Requirements in Agile Software Development Projects with Traceability Metrics -- The Role of Catalogues of Threats and Security Controls in Security Risk Assessment: An Empirical Study with ATM Professionals -- Analyzing and Enforcing Security Mechanisms on Requirements Specifications -- From Stakeholder Requirements to Formal Specifications through Refinement -- Towards More Efficient Requirements Formalization: A Study -- How Artifacts Support and Impede Requirements Communication -- Consonance between Networked Economic and IT Services: Finding the Balance Between Conflicting Requirements -- The Emerging Requirement for Digital Addiction Labels -- Challenges of the customer organizations requirements engineering -- (RE) process in the outsourced environment A case study -- A Case Study Evaluation of the Guideline-Supported QUPER Model for Elicitation of Quality Requirements -- Towards Crowd-based Requirements Engineering -- Functional Requirements Modeling for Interactive TV Applications -- Flexi View: A Magnet-Based Approach for Visualizing Requirements Artifacts -- Requirements Engineering in the Bidding Stage of Software Projects A Research Preview -- A Systematic Literature Review of Requirements Prioritization Criteria -- Embedding Stakeholder Values in the Requirements Engineering Process -- Supporting Requirements Feedback Flows in Iterative System Development -- User-Constrained Clustering in Online Requirements Forums.