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Universal Online Learning with Gradient Variations: A Multi-layer Online Ensemble Approach

Neural Information Processing Systems

In this paper, we propose an online convex optimization approach with two different levels of adaptivity. On a higher level, our approach is agnostic to the unknown types and curvatures of the online functions, while at a lower level, it can exploit the unknown niceness of the environments and attain problem-dependent guarantees.







Predictive Attractor Models

Neural Information Processing Systems

The task of sequential memory is considered challenging for models operating under biological constraints (i.e., local synaptic computations) for many reasons, including catastrophic forgetting,