A novel method to measure the significance value of relationship between any two objects by examining the background model of their movements via permutation test.
Zhenhui Li, Bolin Ding, Fei Wu, Tobias Kin Hou Lei, Roland Kays, and Margaret Crofoot, Attraction and Avoidance Detection from Movements, Proc. 2014 Int. Conf. on Very Large Data Bases (VLDB'14/PVLDB), Hangzhou, China, Sept. 2014. [link]