WinoPron: Revisiting English Winogender Schemas for Consistency, Coverage, and Grammatical Case

Fuente: arXiv
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Main Authors: Gautam, Vagrant, Steuer, Julius, Bingert, Eileen, Johns, Ray, Lauscher, Anne, Klakow, Dietrich
Format: Preprint
Published: 2024
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author Gautam, Vagrant
Steuer, Julius
Bingert, Eileen
Johns, Ray
Lauscher, Anne
Klakow, Dietrich
author_facet Gautam, Vagrant
Steuer, Julius
Bingert, Eileen
Johns, Ray
Lauscher, Anne
Klakow, Dietrich
contents While measuring bias and robustness in coreference resolution are important goals, such measurements are only as good as the tools we use to measure them. Winogender Schemas (Rudinger et al., 2018) are an influential dataset proposed to evaluate gender bias in coreference resolution, but a closer look reveals issues with the data that compromise its use for reliable evaluation, including treating different pronominal forms as equivalent, violations of template constraints, and typographical errors. We identify these issues and fix them, contributing a new dataset: WinoPron. Using WinoPron, we evaluate two state-of-the-art supervised coreference resolution systems, SpanBERT, and five sizes of FLAN-T5, and demonstrate that accusative pronouns are harder to resolve for all models. We also propose a new method to evaluate pronominal bias in coreference resolution that goes beyond the binary. With this method, we also show that bias characteristics vary not just across pronoun sets (e.g., he vs. she), but also across surface forms of those sets (e.g., him vs. his).
format Preprint
id arxiv_https___arxiv_org_abs_2409_05653
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle WinoPron: Revisiting English Winogender Schemas for Consistency, Coverage, and Grammatical Case
Gautam, Vagrant
Steuer, Julius
Bingert, Eileen
Johns, Ray
Lauscher, Anne
Klakow, Dietrich
Computation and Language
While measuring bias and robustness in coreference resolution are important goals, such measurements are only as good as the tools we use to measure them. Winogender Schemas (Rudinger et al., 2018) are an influential dataset proposed to evaluate gender bias in coreference resolution, but a closer look reveals issues with the data that compromise its use for reliable evaluation, including treating different pronominal forms as equivalent, violations of template constraints, and typographical errors. We identify these issues and fix them, contributing a new dataset: WinoPron. Using WinoPron, we evaluate two state-of-the-art supervised coreference resolution systems, SpanBERT, and five sizes of FLAN-T5, and demonstrate that accusative pronouns are harder to resolve for all models. We also propose a new method to evaluate pronominal bias in coreference resolution that goes beyond the binary. With this method, we also show that bias characteristics vary not just across pronoun sets (e.g., he vs. she), but also across surface forms of those sets (e.g., him vs. his).
title WinoPron: Revisiting English Winogender Schemas for Consistency, Coverage, and Grammatical Case
topic Computation and Language
url https://arxiv.org/abs/2409.05653