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In this paper, we propose Tutoring bot, a generative chatbot trained on a large scale of tutor-student conversations for English-language learning. To mimic a human tutor's behavior in language education, the tutor bot leverages diverse…

Artificial Intelligence · Computer Science 2023-02-27 Hyungjoo Chae , Minjin Kim , Chaehyeong Kim , Wonseok Jeong , Hyejoong Kim , Junmyung Lee , Jinyoung Yeo

We present a novel method for training a social robot to generate backchannels during human-robot interaction. We address the problem within an off-policy reinforcement learning framework, and show how a robot may learn to produce…

Artificial Intelligence · Computer Science 2019-08-06 Nusrah Hussain , Engin Erzin , T. Metin Sezgin , Yucel Yemez

Many users communicate with chatbots and AI assistants in order to help them with various tasks. A key component of the assistant is the ability to understand and answer a user's natural language questions for question-answering (QA).…

Computation and Language · Computer Science 2020-06-08 Anthony Colas , Trung Bui , Franck Dernoncourt , Moumita Sinha , Doo Soon Kim

The conversational agents is one of the most interested topics in computer science field in the recent decade. Which can be composite from more than one subject in this field, which you need to apply Natural Language Processing Concepts and…

Computation and Language · Computer Science 2022-01-19 Moataz Mohammed , Mostafa M. Aref

Dialogue systems, also called chatbots, are now used in a wide range of applications. However, they still have some major weaknesses. One key weakness is that they are typically trained from manually-labeled data and/or written with…

Computation and Language · Computer Science 2021-02-25 Bing Liu , Sahisnu Mazumder

We introduce a new approach to generative data-driven dialogue systems (e.g. chatbots) called TransferTransfo which is a combination of a Transfer learning based training scheme and a high-capacity Transformer model. Fine-tuning is…

Computation and Language · Computer Science 2019-02-05 Thomas Wolf , Victor Sanh , Julien Chaumond , Clement Delangue

This paper presents a recurrent hybrid model and training procedure for task-oriented dialogue systems based on Deep Recurrent Q-Networks (DRQN). The model copes with both tasks required for Dialogue Management: State Tracking and Decision…

Computation and Language · Computer Science 2020-11-05 Carlos Miranda , Yacine Kessaci

Deep reinforcement learning is a technique for solving problems in a variety of environments, ranging from Atari video games to stock trading. This method leverages deep neural network models to make decisions based on observations of a…

Machine Learning · Computer Science 2022-09-13 Anthony Dowling

Dialogue systems, commonly known as chatbots, have gained escalating popularity in recent times due to their wide-spread applications in carrying out chit-chat conversations with users and task-oriented dialogues to accomplish various user…

Computation and Language · Computer Science 2024-06-18 Sahisnu Mazumder , Bing Liu

Proactive dialogue systems, related to a wide range of real-world conversational applications, equip the conversational agent with the capability of leading the conversation direction towards achieving pre-defined targets or fulfilling…

Computation and Language · Computer Science 2023-05-10 Yang Deng , Wenqiang Lei , Wai Lam , Tat-Seng Chua

We propose novel AI-empowered chat bots for learning as conversation where a user does not read a passage but gains information and knowledge through conversation with a teacher bot. Our information-acquisition-oriented dialogue system…

Computation and Language · Computer Science 2022-05-31 Pengshan Cai , Hui Wan , Fei Liu , Mo Yu , Hong Yu , Sachindra Joshi

As artificial intelligence (AI) becomes a prominent part of modern life, AI literacy is becoming important for all citizens, not just those in technology careers. Previous research in AI education materials has largely focused on the…

Computation and Language · Computer Science 2022-12-16 Kate Pearce , Sharifa Alghowinem , Cynthia Breazeal

Conventionally, generation of natural language for dialogue agents may be viewed as a statistical learning problem: determine the patterns in human-provided data and generate appropriate responses with similar statistical properties.…

Computation and Language · Computer Science 2022-04-19 Siddharth Verma , Justin Fu , Mengjiao Yang , Sergey Levine

In this work, we present a hybrid learning method for training task-oriented dialogue systems through online user interactions. Popular methods for learning task-oriented dialogues include applying reinforcement learning with user feedback…

Computation and Language · Computer Science 2018-04-19 Bing Liu , Gokhan Tur , Dilek Hakkani-Tur , Pararth Shah , Larry Heck

Conversational agents are increasingly used as support tools along mental therapeutic pathways with significant societal impacts. In particular, empathy is a key non-functional requirement in therapeutic contexts, yet current chatbot…

Computation and Language · Computer Science 2026-01-14 Francesco Dettori , Matteo Forasassi , Lorenzo Veronese , Livia Lestingi , Vincenzo Scotti , Matteo Giovanni Rossi

Task-oriented dialog systems are often trained on human/human dialogs, such as collected from Wizard-of-Oz interfaces. However, human/human corpora are frequently too small for supervised training to be effective. This paper investigates…

Computation and Language · Computer Science 2021-09-21 Arkady Arkhangorodsky , Scot Fang , Victoria Knight , Ajay Nagesh , Maria Ryskina , Kevin Knight

Goal-oriented conversational agents are becoming prevalent in our daily lives. For these systems to engage users and achieve their goals, they need to exhibit appropriate social behavior as well as provide informative replies that guide…

Computation and Language · Computer Science 2021-01-01 Yi-Chia Wang , Alexandros Papangelis , Runze Wang , Zhaleh Feizollahi , Gokhan Tur , Robert Kraut

Computational thinking, and by extension, computer programming, is notoriously challenging to learn. Conversational agents and generative artificial intelligence (genAI) have the potential to facilitate this learning process by offering…

Human-Computer Interaction · Computer Science 2024-06-17 Jacob Penney , João Felipe Pimentel , Igor Steinmacher , Marco A. Gerosa

Chatbots are one class of intelligent, conversational software agents activated by natural language input (which can be in the form of text, voice, or both). They provide conversational output in response, and if commanded, can sometimes…

Computers and Society · Computer Science 2017-04-18 Nicole M. Radziwill , Morgan C. Benton

Building a machine learning driven spoken dialog system for goal-oriented interactions involves careful design of intents and data collection along with development of intent recognition models and dialog policy learning algorithms. The…

Computation and Language · Computer Science 2019-12-24 Saurav Sahay , Shachi H Kumar , Eda Okur , Haroon Syed , Lama Nachman