On this site you will find all the information you need regarding the European workshop on Reinforcement Learning (EWRL) series.
The JMLR proceedings for EWRL 2012 are now available online at
http://jmlr.csail.mit.edu/proceedings/papers/v24/
The Springer LNAI proceedings for EWRL 2011 are now available online at
http://www.springerlink.com/content/978-3-642-29945-2/