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This book constitutes the refereed proceedings of the 9th Software Quality Days Conference, SWQD 2017, held in Vienna, Austria, in January 2017.
The SWQD conference offers a range of comprehensive and valuable information by presenting new ideas from the latest research papers, keynote speeches by renowned academics and industry leaders, professional lectures, exhibits, and tutorials.
The 4 full papers and 7 short papers presented in this volume were carefully reviewed and selected from 21 submissions. They were organized in topical sections named: model-driven development and configuration management; software development and quality assurance; software quality assurance in industry; crowdsourcing in software engineering; software testing and traceability; and process improvement. The book also contains one keynote talk in full paper length.

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Keynote.- From pair programming to mob programming to mob architecting.- Model-Driven Development and Configuration Management.- Traceability in a Fine Grained Software Configuration Management System.- Software Development and Quality Assurance.- From Agile Development to DevOps: Going towards Faster Releases at High Quality - Experiences from an Industrial Context.- Learning to Rank Extract Method Refactoring Suggestions for Long Methods.- A portfolio of internal quality metrics for software architects.- Validating converted Java Code via Symbolic Execution.- Software Quality Assurance in Industry.- Software Quality Assurance during Implementation: Results of a Survey in Software Houses from Germany, Austria and Switzerland.- Crowdsourcing in Software Engineering.- Images of Enterprise Test Organizations: Factory, Center of Excellence, or Community.- Analysing the Quality Evolution of Open Source Software Projects.- Software Testing and Traceability.- Tool Support for Change-ased Regression Testing: An Industry Experience Report.- Challenges of Establishing Traceability in the Automotive Domain.- Process Improvement.- Towards the Automation of the Travel Management Procedure of an Italian Public Administration.

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