Journal of Big Data

Table 6 Standard deviation for repeated tests—partition build cost (Fig. 13)

From: Efficient spatial data partitioning for distributed \(k\)NN joins

	With non-spatial data					Without non-spatial data

Bus	0.011–0.027	0.000–0.048	0.021–0.126	0.022–0.060	0.008–0.050	0.003–0.018	0.014–0.103	0.000–0.000	0.008–0.223	0.021–0.286
Taxi	0.003–0.012	0.008–0.028	0.028–0.110	0.007–0.018	0.004–0.021	0.000–0.024	0.014–0.017	0.014–0.150	0.004–0.027	0.004–0.015
TLC	0.008–0.637	0.229–0.974	0.000–0.000	0.008–0.223	0.021–0.286	0.008–0.488	0.342–0.902	0.000–0.000	0.008–0.055	0.027–0.049

SpPart_kNN LocationSpark Simba STARK GeoSpark

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