AUC for multiclass problems

Dear all,

I would like to see an AUC for N>2-class problems.
Not only for binomial problems.

This is already possible with R.
http://stats.stackexchange.com/questions/2151/how-to-plot-roc-curves-in-multiclass-classification
http://homepage.tudelft.nl/a9p19/papers/prasa_06_vuc.pdf
http://www.mathworks.nl/matlabcentral/fileexchange/30424-colauc/content/colAUC.m

Best regards,

Wessel