Theme and Topics of Interest
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Collaborative software engineering deals with methods, processes and tools for enhancing collaboration, communication, and coordination (3C) among team members. Artifacts subject to collaborative software engineering are not only code or documentation, but models as well.

In the context of MDE, a collaborative MDE approach is a method or technique in which:

- Models are the first-class elements that drive both the software development activities and the other model-based tasks in the context of a software engineering process
- At least one repository exists for managing the persistence of the models
- At least one modelling tool exists for allowing each stakeholder involved in the modelling activities to create, edit, and delete models
- At least one communication means exists for allowing involved stakeholders to be aware of what other stakeholders collaborating with them are doing (e.g., chat, social network, wiki, asynchronous messaging system, issue tracker)
- At least one collaboration means exists for allowing involved stakeholders to work on modelling artifacts collaboratively (e.g., model versioning systems, model merging mechanisms, systems for model conflicts management and visualisation).

The aim of this workshop is to bring together experts in model driven software engineering and collaborative software engineering in order to present and discuss related research and development work.

The importance of collaborative MDE is evidenced in a number of sources and recently empowered by the prominence of agile methods, open-source software projects, and global software development. Modelling tools, embracing new collaborative means and features are being released, such us GenMyModel, WebGME, or FlexiSketch.

This workshop has the dual role of investigating the potential impact of collaborative SE methods and principles into MDE practices, as well as that of MDE support to collaborative SE.

The main objectives that we wish to achieve through this workshop are to:

- Assess the state of research and practice in Collaborative MDE
- Create links between tool vendors, researchers, and practitioners
- Inform the community about the new means for collaborative MDE
- Identify needs and gaps in the Collaborative MDE community

Contributions
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As discussed above, COMMitMDE broadly focuses on model editing, model merging, conflict management, repositories, multi-view, modelling and metamodelling from a collaborative perspective. A non-exhaustive list of topics includes:

- Collaborative MDE design
- Requirements engineering with collaborative MDE
- Metamodel-level collaboration
- Multi-view collaborative MDE
- The role of off-the-shelf VCS/forges in MDE
- Web-based model editing
- Collaborative MDE practices
- Academic and industrial needs in collaborative MDE
- Case studies and experience reports
- Scalable repositories for collaborative modelling
- Multi-user modelling environments
- Synchronisation mechanisms like model migration and merging
- Conflict management
- Model versioning and model comparison support

Submissions will be peer-reviewed by at least three Program Committee members with joint discussion to reach agreement on an optimal selection. Accepted papers will be published in the conference electronic proceedings.

Submission
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Papers can be submitted via EasyChair:
http://www.easychair.org/?conf=commitmde2016

Each paper must be submitted in PDF and be formatted according to the
ACM Guidelines: http://www.acm.org/sigs/publications/proceedings-templates

Submitted papers must describe novel work and not be published elsewhere. All papers will be peer-reviewed and assessed for relevance to the workshop topics, technical soundness, innovation, scientific and presentation quality.

Papers must be submitted in PDF format and strictly adhere to the ACM SIG proceedings format. We accept two types of submissions:

- Regular research papers (of maximum 10 pages)
- Tool demonstration papers (of maximum 4 pages).

Accepted papers must be presented by (one of) the author(s).

Organisers
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Henry Muccini, University of L’Aquila, Italy
Ivano Malavolta, Vrije Universiteit Amsterdam, The Netherlands
Sebastien Gerard, CEA, LIST, France
Dimitris Kolovos, University of York, UK