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Journal ArticleDOI

Neuronlike adaptive elements that can solve difficult learning control problems

TLDR
In this article, a system consisting of two neuron-like adaptive elements can solve a difficult learning control problem, where the task is to balance a pole that is hinged to a movable cart by applying forces to the cart base.
Abstract
It is shown how a system consisting of two neuronlike adaptive elements can solve a difficult learning control problem. The task is to balance a pole that is hinged to a movable cart by applying forces to the cart's base. It is argued that the learning problems faced by adaptive elements that are components of adaptive networks are at least as difficult as this version of the pole-balancing problem. The learning system consists of a single associative search element (ASE) and a single adaptive critic element (ACE). In the course of learning to balance the pole, the ASE constructs associations between input and output by searching under the influence of reinforcement feedback, and the ACE constructs a more informative evaluation function than reinforcement feedback alone can provide. The differences between this approach and other attempts to solve problems using neurolike elements are discussed, as is the relation of this work to classical and instrumental conditioning in animal learning studies and its possible implications for research in the neurosciences.

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Learning Deep Features in Instrumental Variable Regression

TL;DR: Deep feature instrumental variable regression (DFIV) is proposed, to address the case where relations between instruments, treatments, and outcomes may be nonlinear, and outperforms recent state-of-the-art methods on challenging IV benchmarks, including settings involving high dimensional image data.
Proceedings Article

Learning via Human Feedback in Continuous State and Action Spaces.

TL;DR: An extension of TAMER to allow both continuous states and actions, called ACTAMER, is proposed, which utilizes any general function approximation of a human trainer’s feedback signal.
Posted Content

Reinforcement Learning of POMDPs using Spectral Methods

TL;DR: In this article, a reinforcement learning algorithm for partially observable Markov decision processes (POMDPs) based on spectral decomposition methods is proposed, in which a learning algorithm running through episodes is devised to learn the POMDP parameters from a trajectory generated by a fixed policy at the end of the episode, an optimization oracle returns the optimal memoryless planning policy which maximizes the expected reward based on the estimated Markov model.
Journal ArticleDOI

A knowledge-base generating hierarchical fuzzy-neural controller

TL;DR: An innovative fuzzy-neural architecture is presented that is able to automatically generate a knowledge base, in an extractable form, for use in hierarchical knowledge-based controllers, in the form of a linguistic rule base appropriate for a fuzzy inference system.
Proceedings Article

Using Free Energies to Represent Q-values in a Multiagent Reinforcement Learning Task

TL;DR: The product of experts model is found to perform comparably to table-based Q-learning for small instances of the task, and continues to perform well when the problem becomes too large for a table- based representation.
References
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Journal ArticleDOI

Receptive fields, binocular interaction and functional architecture in the cat's visual cortex

TL;DR: This method is used to examine receptive fields of a more complex type and to make additional observations on binocular interaction and this approach is necessary in order to understand the behaviour of individual cells, but it fails to deal with the problem of the relationship of one cell to its neighbours.
Journal ArticleDOI

A Theory of Cerebellar Cortex

TL;DR: A detailed theory of cerebellar cortex is proposed whose consequence is that the cerebellum learns to perform motor skills and two forms of input—output relation are described, both consistent with the cortical theory.
Journal ArticleDOI

Receptive fields and functional architecture in two nonstriate visual areas (18 and 19) of the cat.

TL;DR: To UNDERSTAND VISION in physiological terms represents a formidable problem for the biologist, and one approach is to stimulate the retina with patterns of light while recording from single cells or fibers at various points along the visual pathway.
Journal ArticleDOI

Toward a modern theory of adaptive networks: Expectation and prediction.

TL;DR: The adaptive element presented learns to increase its response rate in anticipation of increased stimulation, producing a conditioned response before the occurrence of the unconditioned stimulus, and is in strong agreement with the behavioral data regarding the effects of stimulus context.
Journal ArticleDOI

Steps toward Artificial Intelligence

TL;DR: The problems of heuristic programming can be divided into five main areas: Search, Pattern-Recognition, Learning, Planning, and Induction as discussed by the authors, and the most successful heuristic (problem-solving) programs constructed to date.