Patent ID: 11874862
Assignee: XI'AN JIAOTONG UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 2:
3. The community question-answer website answer sorting method combined with active learning according to claim 1, wherein the community data related to question-answer in step 1 comprise a number of question answers, a proportion of approvals to an answer, a number of user answers, an average number of user approvals, an average number of user likes, an average number of user answer collections and a number of user followers; the number of question answers refers to a total number of answers to a question, the number of user answers refers to a total number of answers provided by users in the website, and the number of user followers refers to a total number of people who follows a user; the proportion of approvals to an answer refers to a proportion of the number of approvals to the answer in a total number of all approvals to answers to the question; the proportion of approvals to an answer is calculated as follows:, avp
   i
   j
  
  =
  
   
    av
    i
    j
   
   
    
     ∑
     
      j
      =
      1
     
     
      m
      i
     
    
    
     av
     i
     j
    
   
  
 

where: avpil indicates an approval proportion of an answer aij; avij indicates the number of approvals to the answer aij:, ∑
   
    j
    =
    1
   
   
    m
    i
   
  
  
   av
   i
   j
  
 

 indicates the sum of approvals of all answers to a question qi; mi indicates the total number of answers to the question qi;
the average number of user approvals, the average number of user likes and the average number of user answer collections respectively refer to the number of approvals, likes and collections of each answer of a user on average, which are calculated as follows:, uva
    i
   
   =
   
    
     uv
     ⁢
     
      c
      i
     
    
    
     ua
     ⁢
     
      c
      i
     
    
   
  
  ⁢
  

  
   
    ul
    ⁢
    
     a
     i
    
   
   =
   
    
     ulc
     i
    
    
     ua
     ⁢
     
      c
      i
     
    
   
  
  ⁢
  

  
   
    uc
    ⁢
    
     a
     i
    
   
   =
   
    
     uc
     ⁢
     
      c
      i
     
    
    
     ua
     ⁢
     
      c
      i
     
    
   
  
 

where uaci indicates the number of answers of a user ui; uvci indicates the total number of approvals to all answers of the user ui, that is, the number of approvals of the user; ulai indicates the average number of likes of the user ui; ulci indicates the sum of likes obtained by all the answers of the user ui, that is, the number of likes of the user.