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arXiv · 2406.11028

Universal Cross-Lingual Text Classification

Riya Savant·Anushka Shelke·Sakshi Todmal·Sanskruti Kanphade·Ananya Joshi·Raviraj Joshi
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Abstract

Text classification, an integral task in natural language processing, involves the automatic categorization of text into predefined classes. Creating supervised labeled datasets for low-resource languages poses a considerable challenge. Unlocking the language potential of low-resource languages requires robust datasets with supervised labels. However, such datasets are scarce, and the label space is often limited. In our pursuit to address this gap, we aim to optimize existing labels/datasets in different languages. This research proposes a novel perspective on Universal Cross-Lingual Text Classification, leveraging a unified model across languages. Our approach involves blending supervised data from different languages during training to create a universal model. The supervised data for a target classification task might come from different languages covering different labels. The primary goal is to enhance label and language coverage, aiming for a label set that represents a union of labels from various languages. We propose the usage of a strong multilingual SBERT as our base model, making our novel training strategy feasible. This strategy contributes to the adaptability and effectiveness of the model in cross-lingual language transfer scenarios, where it can categorize text in languages not encountered during training. Thus, the paper delves into the intricacies of cross-lingual text classification, with a particular focus on its application for low-resource languages, exploring methodologies and implications for the development of a robust and adaptable universal cross-lingual model.

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Riya Savant, Anushka Shelke, Sakshi Todmal, Sanskruti Kanphade, Ananya Joshi, Raviraj Joshi. 2024-06-16. Universal Cross-Lingual Text Classification. https://doi.org/10.1109/i2ct61223.2024.10543381

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