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Graph-Based Tools Contest: Call for Cases
12-13 September, Leicester, UK
Satellite workshop of ICGT 2008

Tools are crucial for the promotion of graph transformation in industry. 
Currently, a variety of tool environments exist for different graph 
transformation approaches. However, for potential users, working in application 
domains where graph transformation may be a useful technique, it is difficult 
to select the right tool for their purpose. Moreover, even the experience of 
many existing users does not extend beyond a few of the available tools. 
Finally, and maybe most importantly, the tool developers themselves can also be 
inspired by a more detailed understanding of related approaches.

The aim of this event is to compare the expressiveness, the usability and the 
performance of graph transformation tools along a number of selected case 
studies. This will enable us to learn about the pros and cons of each tool
considering different applications. A deeper understanding of the relative 
merits of different tool features will help to further improve graph 
transformation tools and to indicate open problems.

The event is the second of its kind: the first graph-based tool contest took 
place as part of the AGTIVE 2007 workshop in Kassel, Germany.

Phase 1: Case proposal submission

In order to facilitate the comparison of graph transformation tools, we are 
solliciting potential case studies. Submissions for case study proposals are 
requested. If you have a suitable case study, please describe it shortly but as 
detailed as needed and send it to Pieter Van Gorp ([EMAIL PROTECTED]) and to 
Arend Rensink ([EMAIL PROTECTED]) by *May 20, 2008* This includes cases that 
have already been carried out using a given tool. A committee will select a 
small, but representative set of case studies to be used for the contest.

Please submit at http://www.easychair.org/conferences/?conf=grabats2008

Phase 2: Case solution submission

All those who like to participate in the contest are asked to choose one or 
more case studies, take their favourite graph transformation tool and submit 
their solutions. Each submission should cover the following issues: a short 
presentation of the chosen graph transformation tool, a description of the 
chosen case study variant if any, a presentation of the chosen solution, 
including a discussion of design decisions. More detailed instructions will be 
given in the case descriptions themselves.

Solutions are to be submitted by July 1, 2008. Depending on the number of 
submissions, a selection will be made of solutions to be presented; the other 
submissions will get a chance for a (non-plenary) tool demo at the end of the 
workshop. In addition, it is planned to have a special journal issue where 
submitters have a chance to improve and write up their solutions.

Please submit at http://www.easychair.org/conferences/?conf=grabats2008

Phase 3: Workshop and live contest

Besides the presentation and discussion of the solutions, the workshop will 
include for the first time a live contest session. During this session, which 
will take place the afternoon of Friday, September 12, participants will be 
handed out a case description which they will be asked to solve within the time 
available on Friday. Solutions will be compared and presented on Saturday, 
September 13, together with the submitted solutions to the published case 
studies. In this way we want to compare the usability of the tools for rapid 

Important dates:
May 20, 2008:   Deadline for case study proposals
June 1, 2008:   Selected case studies published
July 1, 2008:   Deadline for solutions
August 1, 2008: Acceptance notice for solutions

Case Committee:
Rubino Geiss (University of Karlsruhe, Germany)
Gabor Karsai (Vanderbilt University, US)
Arend Rensink (University of Twente, The Netherlands)
Gabriele Taentzer (University of Marburg, Germany)
Pieter Van Gorp (University of Antwerp, Belgium)
Daniel Varro (Technical University of Budapest, Hungary)
Albert Z├╝ndorf (University of Kassel, Germany)

Arend Rensink (Email: [EMAIL PROTECTED])
Pieter Van Gorp (Email: [EMAIL PROTECTED])

Tom Staijen (Email: [EMAIL PROTECTED])

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