A MapReduce-Based Parallel Frequent Pattern Growth Algorithm for Spatiotemporal Association Analysis of Mobile Trajectory Big Data

Table 2

Association rules in the spatiotemporal dimensions.

			Confidence
GPS–lon(116.3081207) GPS–lat(40.0850945) GPS–t(20121101001456)	0.5	0.6	0.97
GPS–t(20121101001515) GPS–lat(39.9745636)	0.5	0.6	0.82
GPS–s(13) GPS–lat(39.8567123)	0.5	0.6	0.82
GPS–t(20121101001527) GPS–s(32) GPS–lat(39.9517555)	0.5	0.6	0.82
GPS–t(20121101001505) GPS–lon(116.3136597) GPS–lat(39.9311104)	0.5	0.6	0.81
GPS–s(36) GPS–t(20121101001517) GPS–lat(39.887928)	0.5	0.6	0.81
GPS–lat(39.8962898) GPS–s(41)	0.5	0.6	0.80
GPS–lat(39.9318008) GPS–lon(116.3795013)	0.5	0.6	0.62
GPS–lon(116.3797607) GPS–lat(39.9029083) GPS–t(20121101001526)	0.45	0.6	0.97
GPS–s(23) GPS–lat(39.6109581)	0.45	0.6	0.82
GPS–lon(116.3812103) GPS–lat(39.8552132)	0.45	0.6	0.81
GPS–t(20121101001452) GPS–s(25)	0.45	0.6	0.80
GPS–lon(116.3844528) GPS–t(20121101001524) GPS–lat(39.9866829)	0.45	0.6	0.79
GPS–lon(116.3852234) GPS–s(39)	0.45	0.6	0.76
GPS–lat(39.9709435) GPS–lon(116.3859177)	0.45	0.6	0.62
GPS–t(20121101001536) GPS–lat(39.9672508) GPS–lon(116.3856812)	0.45	0.6	0.62
GPS–lon(116.3820038) GPS–lat(39.9646225) GPS–t(20121101001450)	0.46	0.3	0.97
GPS–t(20121101001452) GPS–s(34) GPS–lat(39.9438133)	0.46	0.3	0.82
GPS–lon(116.3782349) GPS–lat(39.8775635)	0.46	0.3	0.81
GPS–lon(116.3766174) GPS–t(20121101001509) GPS–lat(39.8671379)	0.46	0.3	0.79
GPS–t(20121101001453) GPS–lon(116.5092163) GPS–s(30)	0.46	0.3	0.76
GPS–lat(39.9984131) GPS–lon(116.5080185)	0.46	0.3	0.62
GPS–t(20121101001511) GPS–lat(39.8550682) GPS–lon(116.4675217)	0.46	0.3	0.62
GPS–lat(39.8920479) GPS–t(20121101001520) GPS–lon(116.4780731)	0.46	0.3	0.60

–lon represents the longitude of GPS, GPS–lat denotes the latitude of GPS, GPS–t indicates the time of GPS, and GPS–s is the speed of GPS.