An on-line algorithms that efficiently estimate frequencies in the active window over streaming data.
According to the paper: Efficiently Summarizing Data Streams over Sliding Windows（2015）
The file stream.dat is the real IP trace from the main gateway at our campus. This small dataset contains 1M items totally and 193,894 distinct items.
Suppose you've already cloned the repository and start from the Splitter-Windowed-CountMindirectory.
You just need:
$ make
$ ./main