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cs.DS2018
QDR-Tree: An Efficient Index Scheme for Complex Spatial Keyword Query
Xinshi Zang, Peiwen Hao, Xiaofeng Gao +2
With the popularity of mobile devices and the development of geo-positioning technology, location-based services (LBS) attract much attention and top-k spatial keyword queries beco…
cs.DS2012
A Simple Algorithm for Computing BOCP
Jack Wang
In this article, we devise a concise algorithm for computing BOCP. Our method is simple, easy-to-implement but without loss of efficiency. Given two circular-arc polygons with …
cs.DS2012
Finding Efficient Region in The Plane with Line segments
Jack Wang
Let be a set of disjoint obstacles in , be a moving object. Let and denote the starting point and maximum path length of the mov…