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한국인 영어학습자의 영어 문장은 얼마나 원어민스러운가: 딥러닝 기반 분석Using the Deep Learning Techniques for Understanding the nativelikeness of Korean EFL Learners

Other Titles
Using the Deep Learning Techniques for Understanding the nativelikeness of Korean EFL Learners
Authors
박권식유석훈송상헌
Issue Date
2019
Publisher
연세대학교 언어정보연구원
Keywords
딥러닝; 분류; 학습자 코퍼스; 오류 분석; deep learning; classification; learner corpus; error analysis
Citation
언어사실과 관점, v.48, pp.195 - 227
Indexed
KCI
Journal Title
언어사실과 관점
Volume
48
Start Page
195
End Page
227
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/69409
DOI
10.20988/lfp.2019.48..195
ISSN
1738-1908
Abstract
Building upon the state-of-the-art deep learning techniques, the present study classifies the texts written by Korean EFL learners and English native speakers and thereby demonstrates how the two types of texts differ from each other. To this end, the current work makes use of the Yonsei English Learner Corpus (YELC) and Gacheon Learner Corpus (GLC) as the L2 data, and Corpus of Contemporary American English (COCA) as the L1 data. Utilizing the sentence classification methods, the current work implements a system to differentiate the two types of texts, the accuracy of which is about 94%. This indicates that the deep leaning-based system is capable of identifying the well-formedness and felicities of the texts written by Korean EFL learners. Nonetheless, the system-based judgments do not overlap with human judgments largely because the deep learning model exclusively focuses on sequence of words. The present study provides a further analysis to see how the two types of judgments differ with respect to grammatical errors (e.g., word order, voice, etc.) and felicity errors (e.g., semantic prosody, the position of adverbs, etc.).
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