Debprakash Patnaik P. S. Sastry K. P. Unnikrishnan Inferring Neuronal Network Connectivity from Spike Data: A Temporal Datamining Approach http://arxiv.org/abs/0803.0450 2008 CoRR abs/0803.0450 db/journals/corr/corr0803.html#abs-0803-0450 informal publication