add paper authors

betweennesscentrality.cpp

@@ -3,6 +3,14 @@
     @author Gyeonghyo Min
     @date   7/8/2022
 */
+/*
+    Betweenness Centrality:
+    Ulrik Brandes. (2001).
+    A Faster Algorithm for Betweenness Centrality
+
+    Robert Geisberger, Peter Sanders, Dominik Schultes (2008)
+    Better Approximation of Betweenness Centrality
+*/
 
 #include "betweennesscentrality.h"
 

closenesscentrality.cpp

@@ -3,7 +3,11 @@
     @author Gyeonghyo Min
     @date   7/8/2022
 */
-
+/*
+    Closeness Centrality:
+    David Eppstein, Joseph Wang. (2000).
+    Fast Approximation of Centrality.
+*/
 #include "closenesscentrality.h"
 
 #include <algorithm>

testers/test_centrality.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 from matplotlib import pyplot as plt
 import math
 import sys
@@ -8,6 +10,7 @@
 if (len(sys.argv) != 4):
     print("argument count is incorrect!")
     print("usage: python3 test_centrality.py <Stat to compare> <SNAP centrality result> <OUR result>")
+    print("example: ./testers/test_centrality.py Betweennes sample-data/centrality/p2p-Gnutella04.snap.tab p2p-Gnutella04_Betweennes.txt")
     exit()
 
 stat_to_compare = sys.argv[1]