Patent ID: 11948180
Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The system of claim 1, wherein the processor is further configured to calculate the preference by Equation 3 below:, Preference
          ⁢
          
            
          
          ⁢
          
            (
            
              i
              ,
              j
            
            )
          
        
        =
        
          
            amount
            ⁢
            
              
            
            ⁢
            
              (
              
                i
                ,
                j
              
              )
            
          
          
            
              ∑
              
                i
                =
                1
              
              n
            
            ⁢
            
              
            
            ⁢
            
              amount
              ⁢
              
                
              
              ⁢
              
                (
                
                  i
                  ,
                  j
                
                )
              
            
          
        
      
    
    
      
        (
        3
        )
      
    
  

where amount(i,j) denotes a quantity of products i purchased by consumer j, and n denotes a total number of products.