supported by the Key Program of National Natural Science Foundation of China (Grant No.60933001);the National Natural Science Foundation of China (Grant No.60803020);the Natural Science Foundation of China (Grant No.61021004);Shanghai Leading Academic Discipline Project (Project No.B412);The research of Aoying Zhou was supported by the National Science Foundation for Distinguished Young Scholars (Grant No.60925008)
The essence of uncertain data management has been well adopted since data uncertainty widely exists in lots of applications, such as Web, sensor networks, etc. Most of the uncertain data models are based on the possib...