Language-free Experience at Expo 2025 Osaka

arXiv cs.CL / 5/4/2026

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Key Points

  • The article announces progress under the Global Communication Plan 2025 toward creating a language-barrier-free experience at Expo 2025 Osaka using multilingual translation technologies.
  • It highlights simultaneous interpretation systems designed for high translation quality while keeping latency low.
  • Key technical achievements include chunk-based input segmentation, context-aware translation, and multi-engine machine translation.
  • The work is described as having moved into real-world use through demonstration deployments and collaboration with private companies, with multiple services and systems showcased at Expo 2025 Osaka.

Abstract

In line with the Global Communication Plan 2025, we have pursued the development of multilingual translation technologies to realize a language-barrier-free experience at Expo 2025 Osaka. Our work includes the advancement of simultaneous interpretation systems emphasizing high translation quality and low latency. Key achievements include chunk-based input segmentation, context-aware translation, and multi-engine machine translation technologies. Through demonstration deployments and collaboration with private companies, our technologies have led to real-world applications, with several services and systems showcased at Expo 2025 Osaka.