@inproceedings{zhao2015sub,
	author          = {Yue Zhao and Claudia Hauff},
	title           = {Sub-document Timestamping of Web Documents},
	booktitle       = {Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval},
	year            = {2015},
	organization    = {ACM},
	pages           = {1023--1026},
	isbn            = {978-1-4503-362-5},
	url             = {http://dl.acm.org/citation.cfm?id=2767803},
	topic           = {Information Retrieval},
	group           = {WIS}
}