Interesting Activities Discovery for Moving Objects Based on Collaborative Filtering

Table 2

Data volume of the six stages.

Phase	Count of objects	Count of trajectories	Count of sampling points
1	50	1080	1,000,170
2		2091	2,004,283
3		2319	3,002,400
4		2672	4,004,758
5		2870	5,001,380
6		2983	6,037,452