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On the Implications of Verbose LLM Outputs: A Case Study in Translation Evaluation

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arxiv 2410.00863 v1 pith:YTFSJT3Y submitted 2024-10-01 cs.CL

classification cs.CL
keywords verbosebehaviorevaluationevaluationsoutputstranslationaccordingaccurate
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This paper investigates the impact of verbose LLM translations on evaluation. We first demonstrate the prevalence of this behavior across several LLM outputs drawn from the WMT 2024 general shared task on machine translation. We then identify the primary triggers of verbosity, including safety, copyright concerns, and insufficient context in short input queries. Finally, we show that ignoring this behavior unfairly penalizes more verbose LLMs according to both automatic and human evaluations, highlighting the need to address this issue for more accurate future evaluations.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. How Important is `Perfect' English for Machine Translation Prompts?

    cs.CL 2025-07 accept novelty 6.0 of 10

    For LLM machine translation, prompt choice affects output quality more than realistic user errors, with spelling errors hurting most and phrase-level errors often harmless.

  2. GPL-SLAM: A Laser SLAM Framework with Gaussian Process Based Extended Landmarks

    cs.RO 2025-08 unverdicted novelty 4.0 of 10

    A laser SLAM framework that models each object as a Gaussian-process contour, updated recursively and inferred jointly with the robot pose in a Bayesian framework.

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