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Paper · 2010.00490 · 2020

Towards Question-Answering as an Automatic Metric for Evaluating the Content Quality of a Summary

arXiv · PDF · Open in the Atlas

Code that ran

We lifted 3 functions out of this paper's own repositories and ran 2 of them in a sandbox. "Ran" means the function executed on a synthesized input and returned a value. It is not a reproduction of the paper's results.

RepositoryRoleRan
CogComp/qaeval-experiments canonical 1 of 1
copy not recorded — 1 of 1
danieldeutsch/qaeval pwc_unofficial 0 of 1
FunctionStatusWhere it lives
to_list Ran this paper's copy was not recorded; identical code first harvested from AI-secure/InfoBERT
pointer only · get_code("9df40357afea56cc")
load_annotations Ran CogComp/qaeval-experiments/experiments/answer-selection/compare_questions_scus.py
pointer only (licence: NONE) · get_code("3bdf8cb9b92186db")
compute_predictions_logits_with_null Not yet run danieldeutsch/qaeval/qaeval/answering/utils.py
code served (permissive licence) · get_code("2f456d32384e97b4")

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Abstract

A desirable property of a reference-based evaluation metric that measures the content quality of a summary is that it should estimate how much information that summary has in common with a reference. Traditional text overlap based metrics such as ROUGE fail to achieve this because they are limited to matching tokens, either lexically or via embeddings. In this work, we propose a metric to evaluate the content quality of a summary using question-answering (QA). QA-based methods directly measure a summary's information overlap with a reference, making them fundamentally different than text overlap metrics. We demonstrate the experimental benefits of QA-based metrics through an analysis of our proposed metric, QAEval. QAEval out-performs current state-of-the-art metrics on most evaluations using benchmark datasets, while being competitive on others due to limitations of state-of-the-art models. Through a careful analysis of each component of QAEval, we identify its performance bottlenecks and estimate that its potential upper-bound performance surpasses all other automatic metrics, approaching that of the gold-standard Pyramid Method.

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