PATTERN RECOGNITION SPECIAL ISSUE ON Similarity-Based Pattern Recognition Guest Editors: Manuele Bicego, University of Sassari, Italy (bicego@uniss.it) Vittorio Murino, University of Verona, Italy (vittorio.murino@univr.it) Marcello Pelillo, University of Venice, Italy (pelillo@dsi.unive.it) Andrea Torsello, University of Venice, Italy (atorsell@dsi.unive.it) Submission deadline: December 15, 2004 More info on the website http://www.dsi.unive.it/Similarity-PR/.