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Workshop
Infer to Control: Probabilistic Reinforcement Learning and Structured Control
Leslie Kaelbling · Martin Riedmiller · Marc Toussaint · Igor Mordatch · Roy Fox · Tuomas Haarnoja

Sat Dec 08 05:00 AM -- 03:30 PM (PST) @ Room 516 CDE
Event URL: https://sites.google.com/view/infer2control-nips2018 »

Reinforcement learning and imitation learning are effective paradigms for learning controllers of dynamical systems from experience. These fields have been empowered by recent success in deep learning of differentiable parametric models, allowing end-to-end training of highly nonlinear controllers that encompass perception, memory, prediction, and decision making. The aptitude of these models to represent latent dynamics, high-level goals, and long-term outcomes is unfortunately curbed by the poor sample complexity of many current algorithms for learning these models from experience.

Probabilistic reinforcement learning and inference of control structure are emerging as promising approaches for avoiding prohibitive amounts of controller–system interactions. These methods leverage informative priors on useful behavior, as well as controller structure such as hierarchy and modularity, as useful inductive biases that reduce the effective size of policy search space and shape the optimization landscape. Intrinsic and self-supervised signals can further guide the training process of distinct internal components — such as perceptual embeddings, predictive models, exploration policies, and inter-agent communication — to break down the hard holistic problem of control into more efficiently learnable parts.

Effective inference methods are crucial for probabilistic approaches to reinforcement learning and structured control. Approximate control and model-free reinforcement learning exploit latent system structure and priors on policy structure, that are not directly evident in the controller–system interactions, and must be inferred by the learning algorithm. The growing interest of the reinforcement learning and optimal control community in the application of inference methods is synchronized well with the development by the probabilistic learning community of powerful inference techniques, such as probabilistic programming, variational inference, Gaussian processes, and nonparametric regression.

This workshop is a venue for the inference and reinforcement learning communities to come together in discussing recent advances, developing insights, and future potential in inference methods and their application to probabilistic reinforcement learning and structured control. The goal of this workshop is to catalyze tighter collaboration within and between the communities, that will be leveraged in upcoming years to rise to the challenges of real-world control problems.



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Author Information

Leslie Kaelbling (MIT)
Martin Riedmiller (DeepMind)
Marc Toussaint (Universty Stuttgart)
Igor Mordatch (University of Washington)
Roy Fox (UC Berkeley)

[Roy Fox](http://roydfox.com/) is a postdoc at UC Berkeley working with [Ion Stoica](http://people.eecs.berkeley.edu/~istoica/) in the Real-Time Intelligent Secure Explainable lab ([RISELab](https://rise.cs.berkeley.edu/)), and with [Ken Goldberg](http://goldberg.berkeley.edu/) in the Laboratory for Automation Science and Engineering ([AUTOLAB](http://autolab.berkeley.edu/)). His research interests include reinforcement learning, dynamical systems, information theory, automation, and the connections between these fields. His current research focuses on automatic discovery of hierarchical control structures in deep reinforcement learning and in imitation learning of robotic tasks. Roy holds a MSc in Computer Science from the [Technion](http://www.cs.technion.ac.il/), under the supervision of [Moshe Tennenholtz](http://iew3.technion.ac.il/Home/Users/Moshet.phtml), and a PhD in Computer Science from the [Hebrew University](http://www.cs.huji.ac.il/), under the supervision of [Naftali Tishby](http://www.cs.huji.ac.il/~tishby/). He was an exchange PhD student with [Larry Abbott](http://www.cs.huji.ac.il/~tishby/) and [Liam Paninski](http://www.stat.columbia.edu/~liam/) at the [Center for Theoretical Neuroscience](http://www.neurotheory.columbia.edu/) at Columbia University, and a research intern at Microsoft Research.

Tuomas Haarnoja (UC Berkeley)

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