Repairing the Cracked Foundation: A Survey of Obstacles in Evaluation Practices for Generated Text
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Abstract (arXiv)
Evaluation practices in natural language generation (NLG) have many known flaws, but improved evaluation approaches are rarely widely adopted. This issue has become more urgent, since neural NLG models have improved to the point where they can often no longer be distinguished based on the surface-level features that older metrics rely on. This paper surveys the issues with human and automatic model evaluations and with commonly used datasets in NLG that have been pointed out over the past 20 years. We summarize, categorize, and discuss how researchers have been addressing these issues and what their findings mean for the current state of model evaluations. Building on those insights, we lay out a long-term vision for NLG evaluation and propose concrete steps for researchers to improve their evaluation processes. Finally, we analyze 66 NLG papers from recent NLP conferences in how well they already follow these suggestions and identify which areas require more drastic changes to the status quo.
Key facts. Cited by 154 papers in the map (data through 7 Oct 2026). Builds on 156 of its 304 references that are in the map. First posted on arXiv 14 Feb 2022.
Builds on
156 of 304 references.
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