How effective is Multi-source pivoting for Translation of Low Resource Indian Languages?

• URL: http://arxiv.org/abs/2406.13332v1
• Date: Wed, 19 Jun 2024 08:31:52 GMT
• Title: How effective is Multi-source pivoting for Translation of Low Resource Indian Languages?
• Authors: Pranav Gaikwad, Meet Doshi, Raj Dabre, Pushpak Bhattacharyya,
• Abstract summary: This paper explores the'multi-source translation' approach with pivoting, using both source and pivot sentences to improve translation. We find that multi-source pivoting yields marginal improvements over the state-of-the-art, contrary to previous claims.
• Score: 43.44411629370054
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Machine Translation (MT) between linguistically dissimilar languages is challenging, especially due to the scarcity of parallel corpora. Prior works suggest that pivoting through a high-resource language can help translation into a related low-resource language. However, existing works tend to discard the source sentence when pivoting. Taking the case of English to Indian language MT, this paper explores the 'multi-source translation' approach with pivoting, using both source and pivot sentences to improve translation. We conducted extensive experiments with various multi-source techniques for translating English to Konkani, Manipuri, Sanskrit, and Bodo, using Hindi, Marathi, and Bengali as pivot languages. We find that multi-source pivoting yields marginal improvements over the state-of-the-art, contrary to previous claims, but these improvements can be enhanced with synthetic target language data. We believe multi-source pivoting is a promising direction for Low-resource translation.

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