| Vol-1674 urn:nbn:de:0074-1674-8 Copyright © 2016 for the individual papers by the papers' authors. Copying permitted for private and academic purposes. This volume is published and copyrighted by its editors.

# iStar 2016
Ninth International i* Workshop

### Proceedings of the Ninth International i* Workshop
co-located with 24th International Conference on Requirements Engineering (RE 2016)

### Beijing, China, September 12-13, 2016.

Edited by

### Lidia López *
Yijun Yu **

* Universitat Politècnica de Catalunya (UPC), Departament d'Enginyeria de Serveis i Sistemes d'Informació (ESSI), Barcelona, Spain
** The Open University, School of Computing and Communications, Walton Hall, Milton Keynes, UK

## Table of Contents

- Preface
  Lidia López, Yijun Yu

### Keynotes

- Intellectual Foundations for i*/iStar - Past, Present, and Future.
  Eric Yu
- iStar 2.0: The i* Core Language and Experiences.
  Jennifer Horkoff

### Papers

- Coopetition with Frenemies: Towards Modeling of Simultaneous Cooperation and Competition 1-6
  Vik Pant, Eric Yu
- A Proposed Textual Model for i-Star 7-12
  Fabio Penha, Marcia Lucena, Leonardo Lucena, Celso Agra, Fernanda Alencar
- Similarity-based Reasoning with Quality Goals 13-18
  Feng-Lin Li, Lin Liu, John Mylopoulos
- Using i* with Scrum: An Initial Proposal 19-24
  Leonardo Berbare de Araujo, Fábio Levy Siqueira
- Creative Leaf: A Creative iStar Modeling Tool 25-30
  Jennifer Horkoff, Neil Maiden
- GrowingLeaf: Supporting Requirements Evolution over Time 31-36
  Alicia M. Grubb, Gary Song, Marsha Chechik
- iStarJSON: A Lightweight Data-Format for i* Models 37-42
  Oscar Franco-Bedoya, David Ameller, Dolors Costal, Lidia López
- Consistency Analysis for User Requirements Notation Models 43-48
  Okhaide Akhigbe, Daniel Amyot, Amal Ahmed Anda, Lysanne Lessard, Daoyang Xiao
- Understanding Challenges and Tradeoffs in iStar Tool Development 49-54
  Tong Li, Alicia M. Grubb, Jennifer Horkoff
- An Empirical Evaluation Roadmap for iStar 2.0 55-60
  Lidia López, Fatma Başak Aydemir, Fabiano Dalpiaz, Jennifer Horkoff
- A Methodology for Modeling Ambient Intelligence Applications using i* Framework 61-66
  Alejandro Guzman, Alicia Martinez, Fabio Vargas Agudelo, Hugo Estrada, Joaquin Perez, Javier Ortiz
- Managing i*-based Reusable Context Models Elements through a Semantic Repository 67-72
  Karina Abad, Wilson Pérez, Juan Pablo Carvallo
- Aggregate Contribution of Decomposed Intentional Elements 73-78
  Aprajita, Gunter Mussbacher
- Modelling Requirements for Content Recommendation Systems 79-84
  Sarah Bouraga, Ivan Jureta, Stéphane Faulkner
- Applying Tropos Modeling for Smart Mobility Applications Based on the FIWARE Platform 85-90
  Hugo Estrada, Karen Najera, Blanca Vazquez, Alicia Martinez, Juan Carlos Téllez, Juan Jose Hierro
- Towards iStarML 2.0: Closing Gaps from Evolved Requirements 91-96
  Carlos Cares, Lidia López
- Social Threats Modelling with i* 97-102
  Lin Liu, Eric Yu, Gul Jabeen

2016-09-06: submitted by Yijun Yu, metadata incl. bibliographic data published under Creative Commons CC0
2016-09-07: published on CEUR-WS.org |valid HTML5|