GT-VMT 2007: Program for Saturday 31/03/2007 Invited Session 09:00 to 09:05 Opening 09:05 to 10:30 Gheorghe Paun (Romanian Academy and Sevilla University, Spain) Membrane Computing [and Graph Transformation] 10:30 to 11:00 Coffee Break Session on Verification and Model Transformation 11:00 to 11:30 Rule-Level Verification of Business Process Transformations using CSP (Dénes Bisztray, Reiko Heckel) 11:30 to 12:00 Bisimulation Verification for the DPO Approach with Borrowed Contexts (Guilherme Rangel, Barbara König, Hartmut Ehrig) 12:00 to 12:30 Transforming Collaborative Service Specifications into Efficiently Executable State Machines (Frank Alexander Kraemer, Peter Herrmann) 12:30 to 14:15 Lunch Session on Pattern Matching 14:15 to 14:30 Ensuring Containment Constraints in Graph-based Model Transformation Approaches [short talk] (Christian Köhler, Holger Lewin, Gabriele Taentzer) 14:30 to 15:00 Generic Search Plans for Matching Advanced Graph Patterns (Ákos Horváth, Gergely Varró, Dániel Varró) 15:00 to 15:30 A Query Language With the Star Operator (Johan Lindqvist, Torbjörn Lundkvist, Ivan Porres) 15:30 to 16:00 Triple Patterns: Compact Specifications for the Generation of Operational Triple Graph Grammar Rules (Juan de Lara, Esther Guerra, Paolo Bottoni) 16:00 to 16:30 Coffee Break Session on Graph Transformation Language Operations 16:30 to 17:00 A Subgraph Operator for Graph Transformation Languages (Daniel Balasubramanian, Anantha Narayanan, Sandeep Neema, Feng Shi, Ryan Thibodeaux, Gabor Karsai) 17:00 to 17:30 Adding Recursion to Graph Transformation (Esther Guerra, Juan de Lara) 17:30 to 18:00 Visual Programming with Recursion Patterns in Interaction Nets (Ian Mackie, Jorge Sousa Pinto, Miguel Vilaca) 18:00 to 18:15 Simulating Multi-graph Transformations Using Simple Graphs [short talk] (Frank Hermann, Harmen Kastenberg, Iovka Boneva, Arend Rensink) GT-VMT2007: Program for Sunday 01/04/2007 Invited Session 09:00 to 10:30 2nd Invited Talk Topic to be announced. 10:30 to 11:00 Coffee Break Session on Application of Graph Transformations 11:00 to 11:30 Evaluating Workflow Definition Language Revisions with Graph-Based Tools (René Wörzberger, Markus Heller, Frank Häßler) 11:30 to 11:45 Graph Based Engineering Systems - A Family Of Software Applications And their Underlying Framewor [short talk] (Gregor Wrobel, Ralf-Erik Ebert, Matthias Pleßow) 11:45 to 12:00 Imposing Hierarchy on a Graph [short talk] (Brendan Sheehan, Benoit Gaudin, Aaron Quigley) 12:00 to 12:15 The Jury is still out: A Comparison of AGG, Fujaba, and PROGRES [short talk] (Ulrike Ranger, Christian Fuß, Christof Mosler, Erhard Schultchen) 12:15 to 14:15 Lunch Working Groups 14:15 to 14:30 Building of Working Groups 14:30 to 15:30 Discussion in Working Groups 15:30 to 16:00 General Discussion of the Results 16:00 to 16:30 Closing and Coffee Break