Proceedings
The conference proceedings were published by Springer in the LNCS series as volume 6940.
On Springer’s site, the proceedings are availble here: http://www.springer.com/us/book/9783642288296
On DBLP, the are listed here: http://www.informatik.uni-trier.de/~ley/db/conf/sle/sle2011.html
All past SLE proceedings are listed on DBLP here: http://www.informatik.uni-trier.de/~LEY/db/conf/sle/index.html