graph G {
    compound="true"
    rankdir="TB"
    bgcolor="white"
    fontname="Tahoma"

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="grey"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#00688b"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "dongjoon@apache.org" -- "zhou_jiang@apple.com" [label=" 76 ", penwidth="10", color="#00688bFF"];
    "william@apache.org" -- "zhou_jiang@apple.com" [label=" 28 ", penwidth="3", color="#00688b82"];
    "dongjoon@apache.org" -- "william@apache.org" [label=" 22 ", penwidth="2", color="#00688b70"];
    "dongjoon@apache.org" -- "qi_tan@apple.com" [label=" 9 ", penwidth="1", color="#00688b5E"];
    "zhou_jiang@apple.com" -- "jiangzho@umich.edu" [label=" 7 ", penwidth="1", color="#00688b4C"];
    "qi_tan@apple.com" -- "zhou_jiang@apple.com" [label=" 5 ", penwidth="1", color="#00688b4C"];
    "dongjoon@apache.org" -- "jiangzho@umich.edu" [label=" 5 ", penwidth="1", color="#00688b4C"];
    "dongjoon@apache.org" -- "jacob.salway@gmail.com" [label=" 3 ", penwidth="1", color="#00688b4C"];
    "jacob.salway@gmail.com" -- "zhou_jiang@apple.com" [label=" 2 ", penwidth="1", color="#00688b4C"];
    "dongjoon@apache.org" -- "dhyun@apple.com" [label=" 2 ", penwidth="1", color="#00688b4C"];
    "zhou_jiang@apple.com" -- "dhyun@apple.com" [label=" 2 ", penwidth="1", color="#00688b4C"];
    "jacob.salway@gmail.com" -- "william@apache.org" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "jiangzho@umich.edu" -- "dhyun@apple.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "william@apache.org" -- "jiangzho@umich.edu" [label=" 1 ", penwidth="1", color="#00688b4C"];

}