@misc{cryptoeprint:2012:218,
    author = {T-H. Hubert Chan and Mingfei Li and Elaine Shi and Wenchang Xu},
    title = {Differentially Private Continual Monitoring of Heavy Hitters from Distributed Streams},
    howpublished = {Cryptology ePrint Archive, Report 2012/218},
    year = {2012},
    url = {http://eprint.iacr.org/2012/218},
}