@inproceedings{lin08gradients,
    author="Huijia Lin and Maohua Lu and Nikola Milosavljevi{\'c} and Jie Gao and Leonidas Guibas",
    title="Composable Information Gradients in Wireless Sensor Networks",
    booktitle="Proc. of the International Conference on Information Processing in Sensor Networks (IPSN'08)",
    month="April",
    pages = {121--132},
    year="2008"
}