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Scalable Recollections for Continual Lifelong Learning
Given the recent success of Deep Learning applied to a variety of single
tasks, it is natural to consider more human-realistic settings. Perhaps the
most difficult of these settings is that of continual lifelong learning, where
the model must learn online over a continuous stream of non-stationary data. A
successful continual lifelong learning system must have three key capabilities:
it must learn and adapt over time, it must not forget what it has learned, and
it must be efficient in both training time and memory. Recent techniques have
focused their efforts primarily on the first two capabilities while questions
of efficiency remain largely unexplored. In this paper, we consider the problem
of efficient and effective storage of experiences over very large time-frames.
In particular we consider the case where typical experiences are O(n) bits and
memories are limited to O(k) bits for k << n. We present a novel scalable
architecture and training algorithm in this challenging domain and provide an
extensive evaluation of its performance. Our results show that we can achieve
considerable gains on top of state-of-the-art methods such as GEM.Comment: AAAI 201
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