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LEIA: Facilitating Cross-lingual Knowledge Transfer in Language Models with Entity-based Data Augmentation

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arxiv 2402.11485 v2 pith:LKRO3PNA submitted 2024-02-18 cs.CL cs.AIcs.LG

classification cs.CLcs.AIcs.LG
keywords languageleiacross-linguallanguagesacrossadaptationentityllms
verification ladder T0 review T1 audit T2 compute T3 formal
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Adapting English-based large language models (LLMs) to other languages has become increasingly popular due to the efficiency and potential of cross-lingual transfer. However, existing language adaptation methods often overlook the benefits of cross-lingual supervision. In this study, we introduce LEIA, a language adaptation tuning method that utilizes Wikipedia entity names aligned across languages. This method involves augmenting the target language corpus with English entity names and training the model using left-to-right language modeling. We assess LEIA on diverse question answering datasets using 7B-parameter LLMs, demonstrating significant performance gains across various non-English languages. The source code is available at https://github.com/studio-ousia/leia.

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  1. Multilingual LLMs Inherently Reward In-Language Time-Sensitive Semantic Alignment for Low-Resource Languages

    cs.CL 2024-12 conditional novelty 6.0 of 10

    A translated temporal reasoning dataset plus a cross-lingual example retriever that outperforms semantic-alignment baselines on low-resource language temporal questions.

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