Real world Data is database or accumulated data derived from real medical consultation such as medical service fee bill, DPC, clinical record（derived from electronic health record）, and physical examination.
Such data analysis has potential to reveal effectiveness, safety and cost effectiveness of treatment and medication, which was unknown by clinical trial. It would read to realization of standardization and quality improvement of medical service.
AI analyses the contents such as type of journals, titles, and abstracts and decide whether the articles meet the purpose and should be read.
Optimization is possible by choosing adequate articles which AI learns.
We collect comments of patients and health care professionals on the Internet such as their blogs, Twitter and Facebook by using web crawler, do mining , and visualize the relationship among them.