(2014b) showed that even a small amount of supervised data can boost the end-to-end F 1 score by 3.9% on the TAC KBP tasks.
existing relation extraction datasets such as the SemEval-2010 Task 8 dataset (Hendrickx et al., 2009) and the Automatic Content Extraction (ACE) (Strassel et al., 2008) dataset are less useful for this purpose.