62 4. CHALLENGING PROBLEMS OF FAKE NEWS DETECTION
4.2 WEAKLY SUPERVISED FAKE NEWS DETECTION
4.2.1 A TENSOR DECOMPOSITION SEMI-SUPERVISED APPROACH
A D fa
1
; a
2
; ; a
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g a
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† d D j†j
y 2 f1; 0; 1g
a y
k
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1
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-1 -1
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Belief PropagationKNN Graph
Tensor
Decomposition
X
H
B
F
Building KNN Graph of News Articles
a
i
X 2 R
N d d
X 2 R
N d d
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