@inproceedings {4089,
	title = {A Comparative Analysis of Cascade Measures for Novelty and Diversity},
	booktitle = {Web Search and Data Mining (WSDM)},
	year = {2011},
	doi = {10.1145/1935826.1935847},
	author = {Charles Clarke and Nick Craswell and Ian Soboroff and Azin Ashkan}
}
