The First Book
Lifelong Machine Learning
Zhiyuan Chen and Bing Liu
Second Edition - Table of Contents
Synthesis Lectures on Artificial Intelligence and Machine Learning, Morgan & Claypool Publishers, August, 2018
Lifelong Machine Learning or Lifelong Learning (LL) is an advanced machine learning (ML) paradigm that learns continuously, accumulates the knowledge learned in the past, and uses/adapts it to help future learning and problem solving. In the process, the learner becomes more and more knowledgeable and better and better at learning. This continuous learning ability is one of the hallmarks of human intelligence. However, the current dominant ML paradigm learns in isolation: given a training dataset, it runs a ML algorithm only on the dataset to produce a model. It makes no attempt to retain the learned knowledge and use it in subsequent learning. Although this isolated ML paradigm, primarily based on datadriven optimization, has been very successful, it requires a large number of training examples, and is only suitable for well-defined and narrow tasks in closed environments. In contrast, we humans learn effectively with a few examples and in the dynamic and open world because our learning is also very much knowledge-driven: the knowledge learned in the past helps us learn new things with little data or effort and adapt to new/unseen situations. LL aims to achieve this capability. Applications such as chatbots, self-driving cars, or any AI systems that interact with humans/physical environments are calling for this capability because they need to cope with their dynamic and open environments which leave them with no choice but to continuously learn new things in order to function well. Without the LL capability, an AI system cannot be considered truly intelligent.
Main changes to the first edition
Teaching and Learning: This book is suitable for students, researchers, and practitioners interested in machine learning, data mining, and natural language processing. Lecturers can use the book in class. Some resources can be found in my Lifelong Learning research page.
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