HomoEnsNER: Does Language Alignment Outperform Architectural Complexity in Gujarati Named Entity Recognition?

arXiv cs.CL Papers

Summary

This paper proposes HomoEnsNER, a homogeneous ensemble of five GujaratiBERT models for Gujarati named entity recognition, and shows it outperforms heterogeneous alternatives that rely on architectural diversity, achieving state-of-the-art F1 on the Naamapadam test split.

arXiv:2608.03105v1 Announce Type: new Abstract: Named Entity Recognition (NER) for Gujarati remains underexplored, hindered by the absence of capitalization cues, rich morphology, lexical ambiguity, and free word order. Prior ensemble work has emphasized architectural diversity by combining heterogeneous classifiers, multilingual encoders, or classical sequence models, rather than exploiting language-aligned monolingual pretraining. This study asks whether, for a low-resource, morphologically rich language like Gujarati, a homogeneous ensemble of a single monolingual encoder outperforms such architectural diversity. We propose HomoEnsNER, a homogeneous ensemble of five independently fine-tuned GujaratiBERT models combined via majority voting, evaluated against a single GujaratiBERT baseline and six heterogeneous alternatives, including combinations with MuRIL-base, MuRIL-large, IndicBERT, mBERT, BiLSTM, CRF, and a stacked BiLSTM-CRF-GujaratiBERT architecture. All eight models were trained under a consistent budget and evaluated using entity-level F1 on the Naamapadam Gujarati test split. HomoEnsNER achieved the highest F1 (0.8442), surpassing the baseline (0.8347) and every heterogeneous alternative (lowest: 0.7855), indicating that language alignment is a more effective, budget-conscious ensembling strategy than architectural complexity for low-resource Indian language NER.
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# HomoEnsNER: Does Language Alignment Outperform Architectural Complexity in Gujarati Named Entity Recognition?
Source: [https://arxiv.org/abs/2608.03105](https://arxiv.org/abs/2608.03105)
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> Abstract:Named Entity Recognition \(NER\) for Gujarati remains underexplored, hindered by the absence of capitalization cues, rich morphology, lexical ambiguity, and free word order\. Prior ensemble work has emphasized architectural diversity by combining heterogeneous classifiers, multilingual encoders, or classical sequence models, rather than exploiting language\-aligned monolingual pretraining\. This study asks whether, for a low\-resource, morphologically rich language like Gujarati, a homogeneous ensemble of a single monolingual encoder outperforms such architectural diversity\. We propose HomoEnsNER, a homogeneous ensemble of five independently fine\-tuned GujaratiBERT models combined via majority voting, evaluated against a single GujaratiBERT baseline and six heterogeneous alternatives, including combinations with MuRIL\-base, MuRIL\-large, IndicBERT, mBERT, BiLSTM, CRF, and a stacked BiLSTM\-CRF\-GujaratiBERT architecture\. All eight models were trained under a consistent budget and evaluated using entity\-level F1 on the Naamapadam Gujarati test split\. HomoEnsNER achieved the highest F1 \(0\.8442\), surpassing the baseline \(0\.8347\) and every heterogeneous alternative \(lowest: 0\.7855\), indicating that language alignment is a more effective, budget\-conscious ensembling strategy than architectural complexity for low\-resource Indian language NER\.

## Submission history

From: Chandrakant Bhogayata \[[view email](https://arxiv.org/show-email/174cfdb6/2608.03105)\] **\[v1\]**Tue, 4 Aug 2026 04:21:35 UTC \(351 KB\)

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