The third ACM international workshop on multimedia technologies for distance learning (MTDL 2011).

The MTDL 2011 workshop in its third edition aims to continue in the contribution and evaluation of the impact of multimedia technologies to e-Learning. This workshop is held in conjunction with the ACM Multimedia 2011 Conference in Scottsdale, Arizona, U.S.A. As a cover paper of this workshop, we briefly summarize important issues to be addressed in e-learning in the first section, followed by a discussion of important issues proposed in the 5 papers accepted to the workshop (among the 9 submissions), plus 3 invited papers.