Media Manager Namespaces Choose namespace [root] courses events help history people photos playground private research restricted student_opportunities students sysinfo sysnews status users wiki Media Files Media Files Upload Search Upload to sysnews Sorry, you don't have enough rights to upload files. File View History courses:cs224-201001:lectures:ch07a_ecoa2e.ppt Date:2010/01/19 20:19 Filename:ch07a_ecoa2e.ppt Size:725KB References for:toptop