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        <title>Radical Allomorphy: Phonological Surface Forms without Phonology</title>
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        <namePart type="given">Salam</namePart>
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    <name type="personal">
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    <name type="personal">
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            <namePart type="given">Christos</namePart>
            <namePart type="family">Christodoulopoulos</namePart>
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        <name type="personal">
            <namePart type="given">Tanmoy</namePart>
            <namePart type="family">Chakraborty</namePart>
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    <abstract>Recent computational work typically frames morphophonology as generating surface forms (SFs) from abstract underlying representations (URs) by applying phonological rules or constraints. This generative stance presupposes that every morpheme has a well-defined UR from which all allomorphs can be derived, a theory-laden assumption that is expensive to annotate, especially in low-resource settings.We adopt an alternative view. Allomorphs and their phonological variants are treated as the basic, observed lexicon, not as outputs of abstract URs. The modeling task therefore shifts from deriving SFs to selecting the correct SF, given a meaning and a phonological context. This discriminative formulation removes the need to posit or label URs and lets the model exploit the surface evidence directly.</abstract>
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%0 Conference Proceedings
%T Radical Allomorphy: Phonological Surface Forms without Phonology
%A Khalifa, Salam
%A Habash, Nizar
%A Rambow, Owen
%Y Christodoulopoulos, Christos
%Y Chakraborty, Tanmoy
%Y Rose, Carolyn
%Y Peng, Violet
%S Findings of the Association for Computational Linguistics: EMNLP 2025
%D 2025
%8 November
%I Association for Computational Linguistics
%C Suzhou, China
%@ 979-8-89176-335-7
%F khalifa-etal-2025-radical
%X Recent computational work typically frames morphophonology as generating surface forms (SFs) from abstract underlying representations (URs) by applying phonological rules or constraints. This generative stance presupposes that every morpheme has a well-defined UR from which all allomorphs can be derived, a theory-laden assumption that is expensive to annotate, especially in low-resource settings.We adopt an alternative view. Allomorphs and their phonological variants are treated as the basic, observed lexicon, not as outputs of abstract URs. The modeling task therefore shifts from deriving SFs to selecting the correct SF, given a meaning and a phonological context. This discriminative formulation removes the need to posit or label URs and lets the model exploit the surface evidence directly.
%U https://aclanthology.org/2025.findings-emnlp.1113/
%P 20435-20441

Markdown (Informal)

[Radical Allomorphy: Phonological Surface Forms without Phonology](https://aclanthology.org/2025.findings-emnlp.1113/) (Khalifa et al., Findings 2025)

• Radical Allomorphy: Phonological Surface Forms without Phonology (Khalifa et al., Findings 2025)

ACL

• Salam Khalifa, Nizar Habash, and Owen Rambow. 2025. Radical Allomorphy: Phonological Surface Forms without Phonology. In Findings of the Association for Computational Linguistics: EMNLP 2025, pages 20435–20441, Suzhou, China. Association for Computational Linguistics.