| Challenge: | Recent advances in morphological tasks can be difficult to solve when little training data is available or when generalizing to previously unseen lemmas. |
| Approach: | They propose two methods to manipulate phonemic data to include phonological features instead of characters. |
| Outcome: | The proposed methods yield comparable results to baseline models, with minor improvements in some languages. |
Similar Papers
Probing Subphonemes in Morphology Models (2025.findings-acl)
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| Challenge: | morphological inflection models have achieved state-of-the-art performance, yet their ability to generalize across languages and morphology rules remains limited. |
| Approach: | They propose a language-agnostic probing method to investigate phonological feature encoding in transformers trained directly on phonemes and perform it across seven morphologically diverse languages. |
| Outcome: | The proposed method shows that phonological features which are local are captured well in phoneme embeddings, whereas long-distance dependencies like vowel harmony are better represented in the transformer’s encoder. |
Morphological Inflection: A Reality Check (2023.acl-long)
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| Challenge: | Morphological inflection is a popular task in sub-word NLP with practical and cognitive applications. |
| Approach: | They propose new methods to analyze data sets and evaluate their generalization abilities to better reflect likely use-cases. |
| Outcome: | The proposed methods improve generalizability and reliability of results and improve generalization abilities. |
Exploring Linguistic Probes for Morphological Inflection (2023.emnlp-main)
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| Challenge: | morphological inflection models typically employ language-independent data splitting algorithms. |
| Approach: | They propose language-specific probes to test aspects of morphological generalization . they use three morphology-distinct languages to test their generalization abilities . |
| Outcome: | The proposed language-specific probes are used to test morphological generalization abilities on three distinct languages. |
What do character-level models learn about morphology? The case of dependency parsing (D18-1)
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| Challenge: | morphologically rich languages require character-level input models to learn morphology, but some models are poor at disambiguating some words . authors of this study show that character- level models learn a lot from input input . explicit modeling of morphologies is expensive and expensive, authors say . |
| Approach: | They compare character-level models to an oracle with explicit morphological analysis . they show that explicitly modeling morphology improves their best model . |
| Outcome: | The results show that character-level models learn morphology better than word models . the authors compare character-based models to oracles on 12 languages with morphological typologies . |
(Un)solving Morphological Inflection: Lemma Overlap Artificially Inflates Models’ Performance (2022.acl-short)
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| Challenge: | Inflection tasks have gained a lot of traction in recent years, mostly via SIGMORPHON's shared-tasks. |
| Approach: | They propose to use split-by-lemma to challenge the generalization capacity of morphological inflection models by employing harder train-test splits. |
| Outcome: | The proposed method is based on a split-by-lemma method that challenges the generalization capacity of the models. |
Better Character Language Modeling through Morphology (P19-1)
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| Challenge: | Inflected words benefit more from explicitly modeling morphology than uninflectes . morphological supervision is also used to augment character language models in low-resource languages . |
| Approach: | They add morphological supervision to character language models via multitasking to improve BPC performance across 24 languages even when morphology data and language modeling data are disjointed. |
| Outcome: | The addition improves performance even when morphology data and language modeling data are disjointed. |
Getting The Most Out of Your Training Data: Exploring Unsupervised Tasks for Morphological Inflection (2024.emnlp-main)
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| Challenge: | Pre-trained transformers have been shown to be effective in many natural language tasks, but are under-explored for character-level sequence to sequence tasks. |
| Approach: | They propose to use pre-trained transformers for character-level morphological inflection in several languages to train models for unsupervised tasks. |
| Outcome: | The proposed model outperforms the best two shared tasks on morphological inflection and graphemeto-phoneme conversion benchmarks. |
Morphology Without Borders: Clause-Level Morphology (2022.tacl-1)
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| Challenge: | Morphological tasks use large multi-lingual datasets that organize words into inflection tables . lack of a clear linguistic and operational definition of what is a word impairs universality of tasks . |
| Approach: | They propose to view morphology as a clause-level phenomenon, rather than word-level . they propose to use a dataset for clause- level morphological tasks in 4 different languages . |
| Outcome: | The proposed dataset for clause-level morphology covers 4 typologically different languages: English, German, Turkish, and Hebrew. |
Grapheme-level Awareness in Word Embeddings for Morphologically Rich Languages (L18-1)
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| Challenge: | a study of inflectional and non-alphabetic languages shows word vectors are sparse in data sparsity due to the morphological system of a language and its syllables. |
| Approach: | They propose a grapheme-level coding procedure for neural word embedding that uses syllable characters to represent word-internal features. |
| Outcome: | The proposed model is more capable of representing functional and semantic similarities than syllable-level and word-level models. |
Small Language Models Also Work With Small Vocabularies: Probing the Linguistic Abilities of Grapheme- and Phoneme-Based Baby Llamas (2025.coling-main)
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| Challenge: | Existing studies on LMs have focused on linguistic generalizations and representations from developmentally plausible data. |
| Approach: | They propose to use phoneme- and grapheme-based language models to learn linguistic units at and below the word level. |
| Outcome: | The proposed models can achieve strong performance on syntactic and novel benchmarks and match grapheme-based models in standard tasks and novel evaluations. |