@inproceedings {4732,
	title = {Mining Frequent Itemsets in Time-Varying Data Streams},
	booktitle = {International Conference on Information and Knowledge Management (CIKM)},
	year = {2009},
	doi = {10.1145/1645953.1646161},
	author = {Yingying Tao and Tamer Ozsu}
}
