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Journal Article 외국어 교육용 대화 시스템을 위한 목적지향 대화데이터 구축 연구: 한국어 대화 데이터를 중심으로
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Authors
최승권, 이요한, 권오욱
Issue Date
2022-02
Citation
외국어교육, v.29, no.1, pp.105-124
ISSN
1226-4628
Publisher
한국외국어교육학회
Language
Korean
Type
Journal Article
DOI
https://dx.doi.org/10.15334/FLE.2022.29.1.105
Project Code
21HS2800, Development of semi-supervised learning language intelligence technology and Korean tutoring service for foreigners, Lee Yunkeun
Abstract
In order to implement a dialogue system for Korean language tutoring, this paper aimed to describe a method of constructing a large amount of Korean task-oriented dialogue data using the Wizard-of-OZ method and a pedagogical feedback and evaluation method for Korean language errors made by foreign learners. The procedure for constructing a large amount of Korean task-oriented dialogue data consisted of three steps. The first step was the preparation step for the learner’s prior learning. The second step was related to a large Korean dialogue map constructed by Korean native speakers using the Wizard-of-OZ method. The third step was implementation of a Korean dialogue system based on the dialogue map. In educational feedback and evaluation, functions such as paraphrases, recommendation expressions, educational success rate, and error content evaluation by learner level were proposed. By means of the Wizard-of-OZ method, 3,253 Korean task-oriented dialogue data were established in four domains: restaurant, hotel, tourist attraction, and taxi. The dialogue system for Korean language tutoring is currently being implemented based on Korean task- oriented dialogue data. Ultimately, the task-oriented dialogue system for Korean language tutoring aims at an “augmentation of education” that collaborates with human teachers, not “teacher-less education” that replaces human teachers.
KSP Keywords
Content Evaluation, Educational success, Evaluation method, Human teachers, Korean language, Native speakers, Prior learning, Second step, Success rate, Task-oriented, Wizard-of-Oz