Introducing the Gab Hate Corpus: defining and applying hate-based rhetoric to social media posts at scale

We present the Gab Hate Corpus (GHC), consisting of 27,665 posts from social network service gab.com, each annotated for presence “hate-based rhetoric” by a minimum three annotators. Posts were labeled according to coding typology derived synthesis hate speech definitions across legal precedent, previous typologies, and psychology sociology, comprising hierarchical labels indicating dehumanizing violent as well indicators targeted groups rhetorical framing. provide inter-annotator agreement statistics perform classification analysis in order validate corpus establish performance baselines. The GHC complements existing datasets its theoretical grounding providing large, representative sample richly media posts.