Patent ID: 11954590
Assignee: INDEED, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The method of claim 2 wherein the machine learning cost function is computed in accordance with:, Cost
    ⁢
    
      
    
    ⁢
    Function
  
  =
  
    
      log
      ⁢
      
        σ
        ⁡
        
          (
          
            
              u
              i
            
            ·
            
              v
              j
            
          
          )
        
      
    
    +
    
      
        ∑
        
          
            s
            k
          
          ∈
          
            U
            
              neg
              ,
              i
            
          
        
      
      ⁢
      
        log
        ⁢
        
          σ
          ⁡
          
            (
            
              
                -
                
                  u
                  i
                
              
              ·
              
                v
                k
              
            
            )
          
        
      
    
  

wherein:
Uneg,i is a set of nodes in directed graph G sampled to make negative synthetic training pairs for node si; and, σ
    ⁡
    
      (
      x
      )
    
  
  =
  
    1
    
      1
      +
      
        e
        
          -
          x, is the sigmoid function;
ui represents a source node for job position si;
vj represents a destination node for job position sj; and
vk represents a destination node embedding for job position sk, and job position sk cannot be reached from job position si.