We thank the reviewers for supporting us in the selection! Their help was invaluable in putting together this special issue.

The reviewers have been:
Matthias Anlauff, Kestrel Institute, USA
Lora Aroyo, Eindhoven Univeristy of Technology, The Netherlands
Uwe Assmann, Linkoepings Universitet, Sweden
Atef Bader, Lucent Technologies, USA
Noury Bouraqadi, Ecole des Mines de Douai, France
Jean-Michel Bruel, Liuppa, France
Michel Charpentier, University of New Hampshire, USA
Constantinos Constantinides, School of Computer Science, University of London, UK
Heitor Costa, Federal University of Lavras - MG, Brazil
Thierry Coupaye, France Telecom R&D, France
Pascal Fenkam, DSG, Technical University of Vienna, Austria
Xavier Franch, Universitat Politecnica de Catalunya, France
Peter Fröhlich, University of California, Riverside, USA
Sebastian Gonzalez, Universite catholique de Louvain, Belgium
Hans-Gerhard Gross, Fraunhofer Institute for Experimental Software Engineering, Germany
Thomas Gschwind, Technische Universitaet Wien, Austria
Dirk Heuzeroth, sd&m, Germany
Robert Hirschfeld, DoCoMo Euro-Labs, Germany
Ghita Kouadri Mostefaoui, Software Engineering Group, University of Fribourg, CH
Peep Kuengas, Norwegian University of Science and Technology, Norway
Zoltan Laszlo, Budapest University of Technology and Economics, Hungary
Zoltan Mann, Budapest University of Technology and Economics, Hungary
Raphael Marvie, LIFL (Laboratoire d'Informatique Fondamentale de Lille), France
Christophe Nicolle, Universite de Bourgogne, France
Muthu Ramachandran, Leeds Metropolitan University, UK
Markus Reitz, University of Kaiserslautern, Germany
Ralf Reussner, Univ. Oldenburg, Germany
Roshanak Roshandel, University of Southern California, USA
Angelo Perkusich, Federal University of Campina Grande, Brazil
Fabien Romeo, Liuppa, France
Ursula Scheben, FernUniversitaet Hagen, Germany
Benjamin A. Schmit, Technische Universitaet Wien, Austria
Chandra Sekharaiah Kanagaluru, JNTU Engg.College, Hyderabad, India
Stefan Senczyna, Silesian University of Technical, Poland
Yahya Slimanis, Dept of Computer Sciences, Faculty of Sciences of Tunis, Tunisia
Andreas Speck, Intershop Research Jena, Germany
Asuman Suenbuel, SAP Research, RC Palo Alto, USA
Hongjun Zheng, Semantic Designs, Inc., USA