Author: Ricardo Baeza-Yates, Barbara Poblete (auth.), Markus Ackermann, Bettina Berendt, Marko Grobelnik, Andreas Hotho, Dunja Mladenič, Giovanni Semeraro, Myra Spiliopoulou, Gerd Stumme, Vojtěch Svátek, Maarten van Someren (eds.)
Author: Raphael Volz, Steffen Staab, Boris Motik (auth.), Stefano Spaccapietra, Elisa Bertino, Sushil Jajodia, Roger King, Dennis McLeod, Maria E. Orlowska, Leon Strous (eds.)