Selmin Nurcan, Rainer Schmidt. Introduction to the Fourth International Workshop on Business Process Management and Social Software (BPMS2'11).
Business Process Management 2011, Clermond-Ferrand, France. LNBIP 99, 2011, Proceedings of the BPM 2011 Workshops, LNBIP. Springer-Verlag,
〈http://www.springer.com/us/book/9783642281075〉.
〈hal-01242645〉 
