[igraph] Hi! I have a question

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Hi! I just started to use igraph and try to do edge_betweenness community 
detection.

The thing is it is too slow so I am not sure this is because of my lap top or 
my code.

My data set has about 7000 nodes and 100000 edges and is a directed graph.

Just in case I attach my data set.

And my code is:

>>>g=Graph.Read_Ncol('Wiki.txt',directed=True)
>>>communities = g.community_edge_betweenness(directed=True)

Then my machine stops.

Could you check this out?

Thank you

                                               Regards
                                               Keejoo

Wiki.txt
Description: Text document