Much effort has been made in reducing the influence of noisy sentences within the bag, including methods based on at-least-one assumption (Hoffmann et al., 2011;Ritter et al., 2013;Zeng et al., 2015) and attention mechanisms over instances (Lin et al., 2016;Ji et al., 2017).
the sentence level denoise methods can't fully address the wrong labeling problem largely because they use a hard-label method in which the labels of entity pairs are immutable dur-ing training, no matter whether they are correct or not.