Figure 1: Comparison between two engines
[Click picture to enlarge]
The NICT and the JFSA worked together to collect a large quantity of bilingual documents in the financial sector through public-private cooperation. This has improved the accuracy of AI translation between Japanese and English by making better use of the data collected.
Specifically, under the leadership of the JFSA, various sets of Japanese and English documents were collected from financial industry groups. The NICT has refined these documents into data suitable for deep learning to develop a new high-precision AI-based translation engine.
When we compared the quality of the translation of the same text between the new AI engine and a general purpose one, we found that the ratio of the highest quality translations reaching the level of professional translators specialized for the financial sector has risen from 21% to 49%; the ratio of the NG (No Good) level was also reduced by half from 21% to 12%, thus achieving overwhelmingly higher precision (See Figure 1).
On March 1, 2022, the NICT commenced technology transfer of its new engine to private enterprises. Since the new engine delivers a practical solution, it will be popular and widely used, which will enhance bilingual communication in Japan’s financial sector.
