https://hal.inria.fr/inria-00433399 Contributor : Laurent RomaryConnect in order to contact the contributor Submitted on : Thursday, November 19, 2009 - 11:01:46 AM Last modification on : Friday, February 4, 2022 - 3:18:57 AM Long-term archiving on: : Saturday, November 26, 2016 - 3:46:08 PM