https://hal.inria.fr/hal-01024240 Contributor : Estelle BouzatConnect in order to contact the contributor Submitted on : Tuesday, July 15, 2014 - 5:29:52 PM Last modification on : Wednesday, November 3, 2021 - 2:18:08 PM Long-term archiving on: : Monday, November 24, 2014 - 1:37:04 PM