Du, Timon C.; Wang, Fu-Kwun; Ro, Jen-Chuan - In: Omega 30 (2002) 5, pp. 367-379
In the information age, more and more data are stored in databases. Some data are retrieved in a statistical format as a means of protection. A statistical database provides summarized statistics to users while usually sheltering individual information. However, it has been found that users can...