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Automated Building of a Multidialectal Parallel Arabic Corpus Using Large Language Models

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  • Khalid Almeman

    (Unit of Scientific Research, Applied College, Qassim University, Buraydah 52571, Saudi Arabia)

Abstract

The development of Natural Language Processing applications tailored for diverse Arabic-speaking users requires specialized Arabic corpora, which are currently lacking in existing Arabic linguistic resources. Therefore, in this study, a multidialectal parallel Arabic corpus is built, focusing on the travel and tourism domain. By leveraging the text generation and dialectal transformation capabilities of Large Language Models, an initial set of approximately 100,000 parallel sentences was generated. Following a rigorous multi-stage deduplication process, 50,010 unique parallel sentences were obtained from Modern Standard Arabic (MSA) and five major Arabic dialects—Saudi, Egyptian, Iraqi, Levantine, and Moroccan. This study presents the detailed methodology of corpus generation and refinement, describes the characteristics of the generated corpus, and provides a comprehensive statistical analysis highlighting the corpus size, lexical diversity, and linguistic overlap between MSA and the five dialects. This corpus represents a valuable resource for researchers and developers in Arabic dialect processing and AI applications that require nuanced contextual understanding.

Suggested Citation

  • Khalid Almeman, 2025. "Automated Building of a Multidialectal Parallel Arabic Corpus Using Large Language Models," Data, MDPI, vol. 10(12), pages 1-14, December.
    • Handle: RePEc:gam:jdataj:v:10:y:2025:i:12:p:208-:d:1816587
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