Move into the parent folder : cd ...
Download the data set mentioned in TME1. Don't extract the file.
Run gunzip -c data/<com-amazon|lj|orkut.ungraph.txt.gz> | python3 k_core_bigdata.py. This will allow the program read from the standard input without extract the file from the gz.
The metrics about k core decomposition will be shown in the output.
Run python3 k_core_degree_plot.py. The program will show a figure about degree and coreness about the graph Google Scholar. In the output there will be some "anomalous authors" in this graph.