UCI spams (Hopkins, Reeber, Forman, Suermondt de Hewlett-Packard Lab).
Quelques mots-clés ciblés:
f ( x i | α k ) = ∑ k = 1 K p k h ( x i | α k )
h ( x i | α k ) = ∏ j = 1 d ∏ h = 1 m j ( α k j h ) x i j h