WEIS is now in its 12th year. Papers from previous workshops are available online.
2002:
Berkeley
2003:
Maryland
2004:
Minnesota
2005:
Harvard
2006:
Cambridge
2007:
Carnegie Mellon
2008:
Dartmouth
2009:
UCL - Liveblog
2010:
Harvard - Liveblog
2011:
George Mason - Liveblog
2012:
Berlin - Liveblog
2013:
Georgetown/Brookings - Liveblog (and another)