Sfoglia per Soggetto "Range query"
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A-tree: Distributed indexing of multidimensional data for cloud computing environments
(2011)Efficient querying of huge volumes of multidimensional data stored in cloud computing systems has become a necessity, due to the widespread of cloud storage facilities. With clouds getting larger and available data growing ... -
Uncertainty for anonymity and 2-dimensional range query distortion
(2010)In this work, we study the problem of anonymity-preserving data publishing in moving objects databases. In particular, the trajectory of a mobile user on the plane is no longer a polyline in a two-dimensional space, instead ...