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

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="deepskyblue2"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#00688b"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "common" -- "req" [label=" 6 ", penwidth="6", color="#00688bB7"];
    "count" -- "req" [label=" 5 ", penwidth="5", color="#00688bA5"];
    "count" -- "count" [label=" 4 ", penwidth="4", color="#a0a0a093"];
    "count" -- "common" [label=" 4 ", penwidth="4", color="#00688b93"];
    "quantiles" -- "kll" [label=" 4 ", penwidth="4", color="#00688b93"];
    "theta" -- "common" [label=" 4 ", penwidth="4", color="#00688b93"];
    "theta" -- "theta" [label=" 4 ", penwidth="4", color="#a0a0a093"];
    "theta" -- "quantiles" [label=" 4 ", penwidth="4", color="#00688b93"];
    "theta" -- "count" [label=" 4 ", penwidth="4", color="#00688b93"];
    "theta" -- "kll" [label=" 4 ", penwidth="4", color="#00688b93"];
    "theta" -- "req" [label=" 4 ", penwidth="4", color="#00688b93"];
    "count" -- "quantiles" [label=" 4 ", penwidth="4", color="#00688b93"];
    "req" -- "quantiles" [label=" 4 ", penwidth="4", color="#00688b93"];
    "common" -- "kll" [label=" 4 ", penwidth="4", color="#00688b93"];
    "req" -- "req" [label=" 4 ", penwidth="4", color="#a0a0a093"];
    "tuple" -- "tuple" [label=" 3 ", penwidth="3", color="#a0a0a082"];
    "tuple" -- "common" [label=" 3 ", penwidth="3", color="#00688b82"];
    "theta" -- "fi" [label=" 3 ", penwidth="3", color="#00688b82"];
    "tuple" -- "count" [label=" 3 ", penwidth="3", color="#00688b82"];
    "common" -- "common" [label=" 3 ", penwidth="3", color="#a0a0a082"];
    "tuple" -- "fi" [label=" 3 ", penwidth="3", color="#00688b82"];
    "tuple" -- "theta" [label=" 3 ", penwidth="3", color="#00688b82"];
    "tuple" -- "req" [label=" 3 ", penwidth="3", color="#00688b82"];
    "req" -- "kll" [label=" 3 ", penwidth="3", color="#00688b82"];
    "common" -- "quantiles" [label=" 3 ", penwidth="3", color="#00688b82"];
    "count" -- "kll" [label=" 3 ", penwidth="3", color="#00688b82"];
    "sampling" -- "density" [label=" 2 ", penwidth="2", color="#00688b70"];
    "sampling" -- "quantiles" [label=" 2 ", penwidth="2", color="#00688b70"];
    "hll" -- "cpc" [label=" 2 ", penwidth="2", color="#00688b70"];
    "theta" -- "hll" [label=" 2 ", penwidth="2", color="#00688b70"];
    "theta" -- "sampling" [label=" 2 ", penwidth="2", color="#00688b70"];
    "tuple" -- "sampling" [label=" 2 ", penwidth="2", color="#00688b70"];
    "fi" -- "kll" [label=" 2 ", penwidth="2", color="#00688b70"];
    "fi" -- "common" [label=" 2 ", penwidth="2", color="#00688b70"];
    "theta" -- "density" [label=" 2 ", penwidth="2", color="#00688b70"];
    "tuple" -- "kll" [label=" 2 ", penwidth="2", color="#00688b70"];
    "hll" -- "common" [label=" 2 ", penwidth="2", color="#00688b70"];
    "theta" -- "cpc" [label=" 2 ", penwidth="2", color="#00688b70"];
    "sampling" -- "count" [label=" 2 ", penwidth="2", color="#00688b70"];
    "cpc" -- "common" [label=" 2 ", penwidth="2", color="#00688b70"];
    "density" -- "quantiles" [label=" 2 ", penwidth="2", color="#00688b70"];
    "cpc" -- "req" [label=" 2 ", penwidth="2", color="#00688b70"];
    "sampling" -- "cpc" [label=" 2 ", penwidth="2", color="#00688b70"];
    "tuple" -- "hll" [label=" 2 ", penwidth="2", color="#00688b70"];
    "sampling" -- "hll" [label=" 2 ", penwidth="2", color="#00688b70"];
    "tuple" -- "density" [label=" 2 ", penwidth="2", color="#00688b70"];
    "hll" -- "hll" [label=" 2 ", penwidth="2", color="#a0a0a070"];
    "sampling" -- "req" [label=" 2 ", penwidth="2", color="#00688b70"];
    "hll" -- "density" [label=" 2 ", penwidth="2", color="#00688b70"];
    "cpc" -- "quantiles" [label=" 2 ", penwidth="2", color="#00688b70"];

}