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Journal of Artificial Intelligence and Data Mining، جلد ۱۲، شماره ۳، صفحات ۳۴۹-۳۵۸
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عنوان انگلیسی Transformer-based Generative Chatbot Using Reinforcement Learning
چکیده انگلیسی مقاله A chatbot is a computer program system designed to simulate human-like conversations and interact with users. It is a form of conversational agent that utilizes Natural Language Processing (NLP) and sequential models to understand user input, interpret their intent, and generate appropriate answer. This approach aims to generate word sequences in the form of coherent phrases. A notable challenge associated with previous models lies in their sequential training process, which can result in less accurate outcomes. To address this limitation, a novel generative chatbot is proposed, integrating the power of Reinforcement Learning (RL) and transformer models. The proposed chatbot aims to overcome the challenges associated with sequential training by combining these two approaches. The proposed approach employs a Double Deep Q-Network (DDQN) architecture with utilizing a transformer model as the agent. This agent takes the human question as an input state and generates the bot answer as an action. To the best of our knowledge, this is the first time that a generative chatbot is proposed using a DDQN architecture with the embedded transformer as an agent. Results on two public datasets, Daily Dialog and Chit-Chat, validate the superiority of the proposed approach over state-of-the-art models involves employing various evaluation metrics.
کلیدواژه‌های انگلیسی مقاله Chatbot,Generative Chatbot,Transformer model,Reinforcement Learning Dialogue-based System,Conversation System
نویسندگان مقاله Nura Esfandiari |
Electrical and Computer Engineering Department, Semnan University, Semnan, Iran.

Kourosh Kiani |
Electrical and Computer Engineering Department, Semnan University, Semnan, Iran.

Razieh Rastgoo |
Electrical and Computer Engineering Department, Semnan University, Semnan, Iran.

نشانی اینترنتی https://jad.shahroodut.ac.ir/article_3290_b0dfc168611fe98ca4781f1ffeb6bfb3.pdf
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