Before revision:  the unpooling branch restores the pooled graph to its original resolution such that token-level relation extraction can be performed . Experiments on two  datasets demonstrate the effectiveness of our method, showing significant improvements over previous results .
After revision:  the unpooling branch restores the pooled graph to its original resolution for token-level relation extraction can be performed . Experiments on two datasets demonstrate the effectiveness of our method, showing significant improvements over previous results .