AAAI Publications, 2013 AAAI Spring Symposium Series

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Lifelong Machine Learning Systems: Beyond Learning Algorithms
Daniel L. Silver, Qiang Yang, Lianghao Li

Last modified: 2013-03-15


Lifelong Machine Learning, or LML, considers systems that can learn many tasks from one or more domains over its lifetime. The goal is to sequentially retain learned knowledge and to selectively transfer that knowledge when learning a new task so as to develop more accurate hypotheses or policies. Following a review of prior work on LML, we propose that it is now appropriate for the AI community to move beyond learning algorithms to more seriously consider the nature of systems that are capable of learning over a lifetime. Reasons for our position are presented and potential counter-arguments are discussed. The remainder of the paper contributes by defining LML, presenting a reference framework that considers all forms of machine learning, and listing several key challenges for and benefits from LML research. We conclude with ideas for next steps to advance the field.


machine learning, lifelong learning, knowledge consolidation, transfer learning

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