Πλοήγηση ανά Θέμα "Query Processing"
Αποτελέσματα 1-2 από 2
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Conference Object
Continuous all k-nearest-neighbor querying in smartphone networks
(2012)Consider a centralized query operator that identifies to every smart phone user its k geographically nearest neighbors at all times, a query we coin Continuous All k-Nearest Neighbor (CAkNN). Such an operator could be ...
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Conference Object
Disclosure-free GPS trace search in smartphone networks
(2011)In this paper we present a powerful distributed framework for finding similar trajectories in a smart phone network, without disclosing the traces of participating users. Our framework, coined Smart Trace, exploits ...