55
Challenging Problems of Fake
News Detection
             
              
             
            
           
              
      
            
                
                
              
               
               
        
4.1 FAKE NEWS EARLY DETECTION
               
              
4.1.1 A USER-RESPONSE GENERATION APPROACH
            
             
               
             
     only          
              
             
 
56 4. CHALLENGING PROBLEMS OF FAKE NEWS DETECTION
 A D fa
1
; a
2
; ; a
N
g          a
i

        d D jj  C D fc
1
; c
2
; ; c
n
g  
              a    
              
            
            
        
Average Pooling Convolutional Layer
Fully Connected Layer
Fully Connected
Layer
TCNN
URG
Article
Latent
Distribution
Generative
Network
Generated
Response
Label
w w
w
w
s
s w
w
            
            
  
Neural Representation Learning for News
            
        
            
               
            s 2 f0; 1g
jT j
             
              
 
v.s/ D
Ws
P
k
s
k
; 
 W              
             
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