4.2. WEAKLY SUPERVISED FAKE NEWS DETECTION 65
F
0
l
1
F
0
min
F
0
RQ
T
2
F
C .kRk
1
C kQk
1
/;
R 2 R
N k
Q 2 R
M k
.kRk
1
C kQk
1
/
4.2.3 A PROBABILISTIC GENERATIVE UNSUPERVISED APPROACH