I need to build a metamodel of mantis(i dont know if it already exist), according to this link, http://atlanmod.emn.fr/www/atl_discussion_archive/1014.html, there was a xml schema of mantis from what o could build the metamodel but i couldnt found it, if someone could help me i will be greatefull

Thanks in advance

Ecole Nationale Supérieure d'Informatique et d'Analyse des Systèmes (ENSIAS)