research product . 2021

Enhancing multiple-choice question answering with causal knowledge

Dalal, Dhairya; Arcan, Mihael; Buitelaar, Paul;
Open Access English
  • Published: 10 Jun 2021
  • Publisher: Association for Computational Linguistics
  • Country: Ireland
The task of causal question answering aims to reason about causes and effects over a provided real or hypothetical premise. Recent approaches have converged on using transformer-based language models to solve question answering tasks. However, pretrained language models often struggle when external knowledge is not present in the premise or when additional context is required to answer the question. To the best of our knowledge, no prior work has explored the efficacy of augmenting pretrained language models with external causal knowledge for multiple-choice causal question answering. In this paper, we present novel strategies for the representation of causal kn...
free text keywords: Multiple-Choice Question Answering, Causal Knowledge, Data science
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