| Vol-505 Copyright © 2009 for the individual papers by the papers' authors. Copying permitted for private and academic purposes. Re-publication of material from this volume requires permission by the copyright owners. This volume is published by its editors.

# Workshop on Software Ecosystems

### Proceedings of the First International Workshop on Software Ecosystems (IWSECO-2009), co-located with the 11th International Conference on Software Reuse, Falls Church, Virginia, USA, September 27, 2009.

Edited by

### Slinger Jansen *
Sjaak Brinkkemper *
Anthony Finkelstein **
Jan Bosch ***

* Utrecht University, Information and Computer Science, PO Box 80.089, 3508TB Utrecht, The Netherlands
** University College London, Department of Computer Science, Gower Street, London WC1E 6BT, United Kingdom
*** Intuit, 26630 Ascension Drive, Los Altos Hills, CA, USA

## Table of Contents

- Introduction to the Proceedings of the First Workshop on Software Ecosystems
  Slinger Jansen, Sjaak Brinkkemper, Anthony Finkelstein, Jan Bosch

1. Building Software Ecosystems from a Reuse Perspective
   Claudia Werner
2. The Role of Software Licenses in Open Architecture Ecosystems
   Thomas A. Alspaugh, Hazeline U. Asuncion, and Walt Scacchi
3. Specification and Analysis of Requirements Negotiation Strategy in Software Ecosystems
   Samuel Fricker
4. Business Network Management as a Survival Strategy: A Tale of Two Software Ecosystems
   Slinger Jansen, Sjaak Brinkkemper, Anthony Finkelstein

23-Sep-2009: submitted by Slinger Jansen
23-Sep-2009: published on CEUR-WS.org