Ah, I also notice that there is a 'flag user as abusive' option, so it might be an idea when reverting vandalism to flag the user. :)
I notice that most of the spam/vandalism is by user prolanguage - is it possible for the admins to block this person from our wiki? —Robert Crowston
At Chennai, India
Parameterized complexity and approximation algorithms Dagstuhl Seminar 09511, 13.12.2009 - 17.12.2009. Organizers: Erik Demaine (MIT - Cambridge, US), MohammadTaghi HajiAghayi (AT&T Research - Florham Park, US), Daniel Marx (Budapest Univ. of Technology & Economics, HU).
'''Adaptive, Output Sensitive, Online and Parameterized Algorithms''', Dagsuhl Seminar 09171, 19.04.2009 - 24.04.2009. Organizers: Jeremy Barbay (DCC - Universidad de Chile, CL), Rolf Klein (Universitaet Bonn, DE), Alejandro Lopez-Ortiz (University of Waterloo, CA), Rolf Niedermeier (Universitaet Jena, DE).