The code of methods
     PES  ( PES.cpp),
     NES  ( NES.cpp),
     GPS-In  ( GPS-In.cpp),
     GPS-Post  ( GPS-Post.cpp)
The Matlab codes
    Figure 2  ( Figure2.m)
    Figure 3  ( Figure3.m)
    Figure 4  ( Figure4.m)
    Figure 5  ( Figure5.m)
    Figure 6  ( Figure6.m)
    Figure 7  ( Figure7.m)
The intermediate data for the plots of
    Figure 2  ( Figure2.zip)
    Figure 3  ( Figure3.zip)
    Figure 4  ( Figure4.zip)
    Figure 5  ( Figure5.zip)
    Figure 6  ( Figure6.zip)
    Figure 7  ( Figure7.zip)
To use our data, we kindly request to cite as follows:
    Roohollah Etemadi, Jianguo Lu, PES: Priority Edge Sampling in Streaming Triangle Estimation, December 2018.