REFSQ-JP 2015 REFSQ Workshops, Research Method Track, and Posters Joint Proceedings of REFSQ 2015, Workshops, Research Method Track, and Posters co-located with the 21st International Conference of Requirements Engineering: Foundation for Software Quality (REFSQ 2015) Essen, Germany, March 23-26, 2015 Edited by Raimundas Matulevičius 1) Thorsten Weyer 2) Peter Forbrig 3) Andrea Herrmann 4) Maya Daneva 5) Joerg Doerr 6) Anne Hoffmann 7) Axel Kalenborn 8) Marcus Trapp 6) Georg Herzwurm 9) Wolfram Pietsch 10) Annika Lenz 9) Sixten Schockert 9) Marian Daun 2) Cristina Palomares 11) Itzel Morales Ramírez 12) Bastian Tenbergen 2) Barbara Paech 13) Roal Wieringa 5) Eric Knauss 14) Anna Perini 12) 1) University of Tartu, Estonia 2) University of Duisburg-Essen, Germany 3) University of Rostock, Germany 4) Herrmann & Ehrlich, Germany 5) University of Twente, the Netherlands 6) Fraunhofer IESE, Germany 7) Siemens AG, Germany 8) Universität Trier Wirtschaftsinformatik, Germany 9) University of Stuttgart, Germany 10) Aachen University of Applied Sciences, Germany 11) Universitat Politècnica de Catalunya, Spain 12) Fondazione Bruno Kessler - IRST, Italy 13) Heidelberg University, Germany 14) University of Gothenburg, Sweden Table of Contents  Table of Contents 1–4  REFSQ 2015 Workshops, Research Method Track, and Poster Track 5–6 Raimundas Matulevičius, Thorsten Weyer 1 1st Workshop on Continuous Requirements Engineering (CRE)  1st Workshop on Continuous Requirements Engineering (CRE'15) 7-8 Peter Forbrig  Requirements Specification as Executable Software Design – A Behavior Perspective 9–18 Albert Fleischmann, Werner Schmidt, Christian Stary  Using Work Agreements as Operation-time System Requirements for Emergent Work Community Support Systems 19–24 Stijn Hoppenbrouwers, Uwe van Heesch, Christian Koppe  Towards a Method for Integrated Semi-Automated Business Process and Regulations Compliance Management for Continuous Requirements Engineering 25–33 Ilze Bukša, Māris Darģis, Ludmila Penicina  A Model for Structuring and Reusing Security Requirements Sources and Security Requirements 34–43 Christian Schmitt, Peter Liggesmeyer  Enterprise Architecture and Knowledge Perspectives on Continuous Requirements Engineering 44–51 Marite Kirikova 5th International Workshop on Creativity in Requirements Engineering (CreaRE)  5th International Workshop on Creativity in Requirements Engineering (CreaRE'15) 52-53 Andrea Herrmann, Maya Daneva, Joerg Doerr, Anne Hoffmann  Success Factors for Creativity Workshops in RE 54–61 Sebastian Adam, Marcus Trapp  Creativity and Conceptual Modeling for Requirements Engineering 62–68 Jennifer Horkoff and Neil Maiden 2nd International Workshop on Requirements Engineering for the Precontract Phase (RE4P2)  Second International Workshop on Requirements Engineering for the Precontract Phase (RE4P²) 69-70 Axel Kalenborn, Marcus Trapp  The Box Fight Analogy: A Blueprint for Pre-Sales Requirements Engineering Workshops 71–76 Christoph Oemig  Elicitation of Information Needs in Precontract Requirements Engineering 77–82 Christian Müller, Matthias Koch, Sebastian Adam  ERP Services Effort Estimation Strategies Based on Early Requirements 83–99 Pierre Erasmus, Maya Daneva 2 6th Workshop on Requirements Prioritization and Communication (RePriCo)  6th Workshop on Requirements Prioritization and Communication (RePriCo'15) 100-101 Georg Herzwurm, Wolfram Pietsch  Operationalizing the Requirements Selection Process with Study Selection Procedures from Systematic Literature Reviews 102–113 Kai Petersen and Nauman Bin Ali  Requirements Communication in Issue Tracking Systems in Four Open-Source Projects 114–125 Thorsten Merten, Bastian Mager, Paul Hubner, Thomas Quirchmayr, Barbara Paech, Simone Bursner  An Experience Report on ERP Effort Estimation Driven by Quality Requirements 126–139 Pierre Erasmus, Maya Daneva 1st International Workshop on Requirements Engineering for Self-Adaptive and Cyber- Physical Systems (RESACS)  1st International Workshop on Requirements Engineering for Self-Adaptive and Cyber-Physical Systems 140-141 Marian Daun, Cristina Palomares, Itzel Morales Ramírez, Bastian Tenbergen  A Tool for Monitoring and Maintaining System Trustworthiness at Runtime 142–147 Abigail Goldsteen, Micha Moffie, Torsten Bandyszak, Nazila Gol Mohammadi, Xiaoyu Chen, Symeon Meichanetzoglou, Sotiris Ioannidis, Panos Chatziadam  Cyber-Physical Systems Design for Runtime Trustworthiness Maintenance Supported by Tools 148–155 Torsten Bandyszak, Nazila Gol Mohammadi, Mohamed Bishr, Abigail Goldsteen, Micha Moffie, Bassem I. Nasser, Sandro Hartenstein, Symeon Meichanetzoglou  Model-based Generation of a Requirements Monitor 156–170 Fabian Kneer, Erik Kamsties  Context Uncertainty in Requirements Engineering Definition of a Search Strategy for a Systematic Review and Preliminary Results 171–178 Jennifer Brings, Andrea Salmon, Selda Saritas  Developing Artifact with Concept Relationship Oriented Methodology, a Progress Report 179–184 Bayu Tenoyo M. Kom, Dr. Petrus Mursanto, Dr. Ade Azurat, Hisar Maruli Manurung PhD  A Modular Safety Assurance Method considering Multi-Aspect Contracts during Cyber Physical System Design 185–197 Peter Battram, Bernhard Kaiser, Raphael Weber  Using Timing Paths to Validate End-to-end Requirements with Methods of Schedulability Simulation and Analysis 198–205 Karsten Albers, Matthias Dörfel 3 Research Methodology Track  Research Method Track 206 Barbara Paech, Roel Wieringa  Live Study Proposal: Collecting Natural Language Trace Queries 207–210 Sugandha Lohar, Jane Cleland-Huang, Alexandar Rasin, Patrick Mader  Focus Groups: Cost-effective and Methodologically Sound Ways to Get Practitioners Involved in Your Empirical RE Research 211–216 Maya Daneva Posters  Foreword to the Research Poster Abstracts 217 Eric Knauss and Anna Perini  A Framework for Information Quality Requirements Engineering 218–219 Mohamad Gharib, Paolo Giorgini  Motivation as a Supplementary Requirement 220–221 Alimohammad Shahri, Mahmood Hosseini, Keith Phalp, Raian Ali  Transparency as a Requirement 222–223 Mahmood Hosseini, Alimohammad Shahri, Keith Phalp, Raian Ali  Digital Addiction: Gamification for Precautionary and Recovery Requirements 224–225 Jingjie Jiang, Keith Phalp and Raian Ali  Integrating GUI Mockups and User Stories 226–227 Olga Liskin and Tobias Baum 4