@TechReport{Supelec641,
author = {Olivier Pietquin and Helen Hastie},
title = {{Metrics for the evaluation of user simulation}},
year = {2010},
number = {3.5},
month = {March},
type = {CLASSiC Project Deliverable},
url = {http://www.classic-project.org/deliverables/D3.5revised.pdf}
}