Improving Claim Stance Classification with Lexical Knowledge Expansion and Context Utilization
Stance classification is a core component in on-demand argument construction pipelines. Previous work on claim stance classification relied on background knowledge such as manually-composed sentiment lexicons. We show that both accuracy and coverage can be significantly improved through automatic expansion of the initial lexicon. We also developed a set of contextual features that further improves the state-of-the-art for this task.
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Argument MiningClassificationGeneral ClassificationSentiment AnalysisStance ClassificationSimilar Papers 제목 키워드 기반
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