Preface

The iStar workshop series is dedicated to the discussion of concepts, methods, techniques, tools, and applications associated with i* and related approaches. Following successful workshops in Trento, Italy (2001), London, England (2005), Recife, Brazil (2008), Hammamet, Tunisia (2010), Trento, Italy (2011), Valencia, Spain (2013), Thessaloniki, Greece (2014), Ottawa, Canada (2015), Beijing, China (2016), and Essen, Germany (2017), this year, the 11th International i* Workshop (iStar’18) was held in Tallinn, Estonia. As with previous editions, the objective of the workshop was to provide a unique opportunity for researchers in the area to exchange ideas, compare notes, and forge new collaborations. This year, the workshop was in conjunction with the 30th International Conference on Advanced Information Systems Engineering (CAiSE’18), benefiting from our common themes and interests shared by the two events.
We kept the workshop format informal so as to promote and maximize interaction. Aiming at an inclusive and discussion-oriented workshop, the main criterion for paper acceptance in iStar’18 was relevance and potential for stimulating discussion and possible collaborations among the participants. A 33-member program committee, consisting of scholars and practitioners with expertise and interest in the field, were involved in reviewing a total of 10 complete paper submissions. Each of the papers was reviewed by three program committee members. Of the submitted papers, 8 were accepted for presentation in the workshop and revised versions of the papers are included in the proceedings that follow. In the event, each paper was given 30 minutes for presentation and discussion.
iStar’18 included a keynote by Prof. Oscar Pastor, from Universitat Politècnica de València, entitled Making Software Fulfill Users Goals: From Goals to Code. Finally, iStar’18 also included a 1h30 panel with the participation of Giancarlo Guizzardi, Oscar Pastor and Jolita Ralyte, on iStar modelling in practice: strengthening interdisciplinary research.
We would like to thank all the members of the Program Committee and the additional reviewers for providing their expertise and suggesting constructive advises to improve the quality of the submissions. Last but not least, we want to thank the organizers of the CAiSE 2018 conference for their valuable support.