@article {1528,
	title = {Time-Aware Click Model},
	journal = {ACM Transactions on Information Systems (TOIS)},
	volume = {35},
	year = {2016},
	pages = {16},
	publisher = {ACM},
	pdf = {http://rali.iro.umontreal.ca/rali/sites/default/files/publis/a16-liu.pdf},
	author = {Liu, Yiqun and Xie, Xiaohui and Wang, Chao and Nie, Jian-Yun and Zhang, Min and Ma, Shaoping}
}
