日韓の打ちことばにおける経済性について －音韻変動を中心に－

Abstract

This paper focuses on ‘Principle of Economy’ and phonological variation in Japanese and Korean Internet-based language. And the purpose of this paper is to clarify the occurrence rate of ‘Principle of Economy’, types and user’s intention of phonological variation. Thus we aggregated data to target Twitter realtime trend in Korean and Japan and big Internet bulletin boards is called Casphy and DC-inside gallery in Korean and Japan. As a result, we clarified the occurrence rate of Principle of Economy is 6.4% in Japanese Internet-based language, 39.4% in Korean Internet-based language. And the types of phonological variation are ‘contraction(77.4%)’, ‘elision(16.9%)’, ‘mixed type(3.8%)’, ‘deletion of character(1.9%)’in Japanese Internet-based language, and ‘mixed type(39.2%)’, ‘alternation(23.5%)’, ‘elision(14.8%)’, ‘liaison(9.8%)’, ‘aggregation of characters(3.9%)’ in Korean Internet-based language. And we clarified the user’s intention of phonological changes is mostly ‘convenience(JP: 98.1%, Kor: 84.3%)’. In conclusion, ‘Principle of Economy’ hardly can function in Japanese Internet- based language, comparatively functions in Korean Internet-based language. And Korean Internet-based language has more various types of phonological variation than Japanese Internet-based language.