Here are some links to get you started:
https://www.evl.uic.edu/entry.php?id=1780
http://delivery.acm.org/10.1145/510000/502394/p8-park.pdf?ip=138.16.109.2&id=502394&acc=ACTIVE%20SERVICE&key=7777116298C9657D%2EDD490426617BA903%2E4D4702B0C3E38B35%2E4D4702B0C3E38B35&__acm__=1548311223_1c5e3a3d633e07c7b35d3f310441a3bb
