Range search on multidimensional uncertain data

  title={Range search on multidimensional uncertain data},
  author={Yufei Tao and Xiaokui Xiao and Reynold Cheng},
  journal={ACM Trans. Database Syst.},
In an uncertain database, every object <i>o</i> is associated with a probability density function, which describes the likelihood that <i>o</i> appears at each position in a multidimensional workspace. This article studies two types of range retrieval fundamental to many analytical tasks. Specifically, a nonfuzzy query returns all the objects that appear in a search region <i>r</i><sub><i>q</i></sub> with at least a certain probability <i>t</i><sub><i>q</i></sub>. On the other hand, given an… CONTINUE READING
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