A survey of queries over uncertain data

  title={A survey of queries over uncertain data},
  author={Yijie Wang and Xiaoyong Li and Xiaoling Li and Yuan Wang},
  journal={Knowledge and Information Systems},
Uncertain data have already widely existed in many practical applications recently, such as sensor networks, RFID networks, location-based services, and mobile object management. Query processing over uncertain data as an important aspect of uncertain data management has received increasing attention in the field of database. Uncertain query processing poses inherent challenges and demands non-traditional techniques, due to the data uncertainty. This paper surveys this interesting and still… CONTINUE READING
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