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Summarize-then-Answer: Generating Concise Explanations for Multi-hop Reading Comprehension ...
Abstract: Anthology paper link: https://aclanthology.org/2021.emnlp-main.490/ Abstract: How can we generate concise explanations for multi-hop Reading Comprehension (RC)? The current strategies of identifying supporting sentences can be seen as an extractive question-focused summarization of the input text. However, these extractive explanations are not necessarily concise i.e. not minimally sufficient for answering a question. Instead, we advocate for an abstractive approach, where we propose to generate a question-focused, abstractive summary of input paragraphs and then feed it to an RC system. Given a limited amount of human-annotated abstractive explanations, we train the abstractive explainer in a semi-supervised manner, where we start from the supervised model and then train it further through trial and error maximizing a conciseness-promoted reward function. Our experiments demonstrate that the proposed abstractive explainer can generate more compact explanations than an extractive explainer with limited ...
Keyword: Computational Linguistics; Machine Learning; Machine Learning and Data Mining; Natural Language Processing; Question-Answering Systems
URL: https://underline.io/lecture/37463-summarize-then-answer-generating-concise-explanations-for-multi-hop-reading-comprehension
https://dx.doi.org/10.48448/g81n-2n36
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2
SHAPE: Shifted Absolute Position Embedding for Transformers ...
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3
Incorporating Residual and Normalization Layers into Analysis of Masked Language Models ...
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4
Pseudo Zero Pronoun Resolution Improves Zero Anaphora Resolution ...
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5
Exploring Methods for Generating Feedback Comments for Writing Learning ...
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Transformer-based Lexically Constrained Headline Generation ...
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