DM: How to solve these problems

[weitang]

Hi;
  I am working in a SI company and have an insurance datawarehouse 
project.Now,my customer request this project shoud include risk 
management subsystem and fraudulent insurance claim detection 
subsystem.
  After few months' study, I found it diffcult to solve these 
problems perfectly.
  Could you give me some proposals or some reference cases?

Wayne
 

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