Hidden-Web Induced by Client-Side Scripting: An Empirical Study by Zahra Behfarshad and Ali Mesbah 

Best demo and poster awards

GAwI: A Comprehensive Workspace Awareness Library for Collaborative Web Applications by Matthias Heinrich, Franz Josef Grüneberger, Thomas Springer, Philipp Hauer and Martin Gaedke

PEUDOM: a Mashup Platform for the End User Development of Common Information Spaces by Matteo Picozzi, Maristella Matera, Michele Pini and Marco Tonazzo

Download pictures here.