> It should be trivial to do clique detection and downrank such citations. Cliques are not the problem, in many niche areas, you will have natural cliques. It

> It should be trivial to do clique detection and downrank such citations. Cliques are not the problem, in many niche areas, you will have natural cliques. It is hard to distinguish that from forceful citations like this. And, this may not be a clique. I don't think this guy was citing back researchers he forced to cite him.