Submitted by Dr Petra Vertes on Sun, 10/06/2012 - 16:21
Coursera "offers courses from top universities, for free." Coursera courses related to networks include:
Probabilistic Graphical Models.
A 10 weeks course, approximately 10 hours a week (including a coding component).
https://www.coursera.org/course/pgm
Networks: Friends, Money, and Bytes
https://www.coursera.org/course/friendsmoneybytes
Networked life
https://www.coursera.org/course/networks
Social Network Analysis
https://www.coursera.org/course/sna