[8. Dense Subgroups in Networks and Motif counting [2015.03.03]](http://nbviewer.ipython.org/github/shestakoff/social_ntwks/blob/master/dense_motifs.ipynb)
[9. Community detection algorithms [2015.03.10]](http://nbviewer.ipython.org/github/shestakoff/social_ntwks/blob/master/communities.ipynb)