A Skewed Spatial Index for Continuous Window Queries in the Wireless Broadcast Environments

Jun-Hong Shen,Tien-Chi Huang,Ching-Ta Lu,Ming-Shen Jian

doi:10.1007/978-94-007-6996-0_74

A Skewed Spatial Index for Continuous Window Queries in the Wireless Broadcast Environments

Jun-Hong Shen, Tien-Chi Huang + Show 2 more

https://doi.org/10.1007/978-94-007-6996-0_74

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Publication Date: Jan 1, 2013

Affiliation: National Taichung University of Science and Technology, Asia University, National University of Formosa, National Formosa University

#Wireless Broadcast Environments #Skewed Access Patterns + Show 8 more

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Abstract

Location-based services (LBSs) via wireless data broadcast can provide a huge number of mobile clients for simultaneously accessing spatial data according to their current locations. A continuous window query is one of the important spatial queries for LBSs. It retrieves spatial objects in a fixed window region of every point on a line segment and indicates the valid segments of them. In this paper, we propose a skewed spatial index for continuous window queries considering skewed access patterns in the wireless broadcast environments.

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