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A Korean-English Neural Machine Translation System Utilizing Unit Detection and Conversion Modules

  • Journal of Internet of Things and Convergence
  • Abbr : JKIOTS
  • 2026, 12(3), 12
  • Publisher : The Korea Internet of Things Society
  • Research Area : Engineering > Computer Science > Internet Information Processing
  • Received : May 21, 2026
  • Accepted : June 22, 2026
  • Published : June 30, 2026

HEUJEEUK 1

1강남대학교

Accredited

ABSTRACT

This paper proposes a Transformer-based unit conversion integrated machine translation system to address the cultural unit system discrepancy that occurs during Korean-English machine translation. Existing machine translation systems transliterate units without considering the differences between the imperial and metric systems, which hinders the intuitive understanding of readers in the target cultural context. The proposed system adopts a pipeline architecture consisting of five modules: language detection, region detection, unit detection, neural machine translation, and unit conversion post-processing, utilizing a Transformer model composed of Multi-head Self-Attention and Cross-Attention as the translation engine. The target units are limited to length and temperature, and translation results are output in three modes: literal translation, unit conversion, and dual notation. Approximately 49,979 training samples were constructed from the AI Hub Korean-English parallel corpus. Experimental results demonstrate that the proposed system achieved a unit detection F1-Score of 0.91, a unit conversion average error rate of 0.11%, and a translation quality BLEU-4 score of 0.2214, confirming that the system can effectively perform unit conversion translation appropriate to the target cultural context.

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