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A Hilbert Curve-Based Distributed Index for Window Queries in Wireless Data Broadcast Systems
2008
2008 IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (sutc 2008)
Location-dependent spatial query in the wireless environment is that mobile users query the spatial objects dependent on their current location. The window query is one of the essential spatial queries, which finds spatial objects located within a given window. In this paper, we propose a Hilbert curve-based distributed index for window queries in the wireless data broadcast systems. Our proposed algorithm allocates spatial objects in the Hilbert-curve order to preserve the spatial locality.
doi:10.1109/sutc.2008.13
dblp:conf/sutc/ShenC08
fatcat:vcazm7cl2nhtdct2fqwznbl7lu