Conversational AI: Dialogue Systems, Conversational Agents, and Chatbots

Přední strana obálky
Morgan & Claypool Publishers, 30. 10. 2020 - Počet stran: 251
This book provides a comprehensive introduction to Conversational AI. While the idea of interacting with a computer using voice or text goes back a long way, it is only in recent years that this idea has become a reality with the emergence of digital personal assistants, smart speakers, and chatbots. Advances in AI, particularly in deep learning, along with the availability of massive computing power and vast amounts of data, have led to a new generation of dialogue systems and conversational interfaces. Current research in Conversational AI focuses mainly on the application of machine learning and statistical data-driven approaches to the development of dialogue systems. However, it is important to be aware of previous achievements in dialogue technology and to consider to what extent they might be relevant to current research and development. Three main approaches to the development of dialogue systems are reviewed: rule-based systems that are handcrafted using best practice guidelines; statistical data-driven systems based on machine learning; and neural dialogue systems based on end-to-end learning. Evaluating the performance and usability of dialogue systems has become an important topic in its own right, and a variety of evaluation metrics and frameworks are described. Finally, a number of challenges for future research are considered, including: multimodality in dialogue systems, visual dialogue; data efficient dialogue model learning; using knowledge graphs; discourse and dialogue phenomena; hybrid approaches to dialogue systems development; dialogue with social robots and in the Internet of Things; and social and ethical issues.
 

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Obsah

Introducing Dialogue Systems
11
Architecture Methods and Tools
43
Statistical DataDriven Dialogue Systems
71
Evaluating Dialogue Systems
91
EndtoEnd Neural Dialogue Systems
125
Challenges and Future Directions
159
Toolkits for Developing Dialogue Systems
185
Bibliography
187
Authors Biography
233
Autorská práva

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O autorovi (2020)

Michael McTear is an Emeritus Professor at Ulster University with a special interest in spoken language technologies and conversational interfaces. He has authored several books, including Spoken Dialogue Technology: Toward the Conversational User Interface (Springer, 2004), Spoken Dialogue Systems (Morgan Claypool, 2010, with Kristiina Jokinen), and The Conversational Interface: Talking to Smart Devices (Springer, 2016, with Zoraida Callejas and David Griol). Michael has delivered keynote addresses and tutorials at many academic conferences and at industrial conferences, including SpeechTEK, the Conversational Interaction conference, RE-WORK AI Assistant Summit, and ProjectVoice. Currently, he is involved in several projects where he is applying Conversational AI to areas such as mental health support and the home monitoring of the elderly.

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