@inproceedings {4734,
	title = {A Partial-Order Based Active Cache for Recommender Systems},
	booktitle = {ACM Conference on Recommender Systems (RecSys)},
	year = {2009},
	doi = {10.1145/1639714.1639750},
	author = {Umar Qasim and Vincent Oria and Yi-fang Brook Wu and Michael E. Houle and Tamer Ozsu}
}
