Distant supervision is another element of IE that is employed in this research to generate training data for police killing detection.
distant supervision has been used to produce training data for relation extraction (Craven et al., 1999;Bunescu and Mooney, 2007;Mintz et al., 2009;Riedel et al., 2010;Surdeanu et al., 2012) and event extraction (Reschke et al., 2014).