Hyuck-Moo Gwon, Yeong-Seok Seo, Journal of Information Processing Systems Vol. 17, No. 2, pp. 318-333, Apr. 2021  

10.3745/JIPS.04.0213
Keywords: Chatbot, Human-Computer Interaction, Interactive System, Redundancy Avoidance, Telegram
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Abstract

Smartphones are one of the most widely used mobile devices allowing users to communicate with each other. With the development of mobile apps, many companies now provide various services for their customers by studying interactive systems in the form of mobile messengers for business marketing and commercial promotion. Such interactive systems are called “chatbots.” In this paper, we propose a method of avoiding the redundant responses of chatbots, according to the utterances entered by the user. In addition, the redundant patterns of chatbot responses are classified into three categories for the first time. In order to verify the proposed method, a chatbot is implemented using Telegram, an open source messenger. By comparing the proposed method with an existent method for each pattern, it is confirmed that the proposed method significantly improves the redundancy avoidance rate. Furthermore, response performance and variation analysis of the proposed method are investigated in our experiment

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