@inproceedings{Zhou-ICPP02,
    author  = "Zhou, X. and Xu, C.-Z.",
    title   = "Optimal video replication and placement on a Cluster of Video-on-Demand Servers",
    booktitle   = "Proc. IEEE 31st Int'l Conf. on Parallel Processing (ICPP)",
    year    = 2002,
    pages   = "547--555"}