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Cornell University

1. Wang, Ke Alexander. Large Scale Exact Gaussian Processes Inference and Euclidean Constrained Neural Networks with Physics Priors.

Degree: M.S., Computer Science, Computer Science, 2020, Cornell University

Intelligent systems that interact with the physical world must be able to model the underlying dynamics accurately to be able to make informed actions and decisions. This requires accurate dynamics models that are scalable enough to learn from large amounts of data, robust enough to be used in the presence of noisy data or scarce data, and flexible enough to capture the true dynamics of arbitrary systems. Gaussian processes and neural networks each have desirable properties that make them potential models for this task, but they do not meet all of the above criteria  – Gaussians processes do not scale well computationally to large datasets, and current neural networks do not generalize well to complex physical systems. In this thesis, we present two methods that help address these shortcomings. First, we present a practical method to scale exact inference with Gaussian processes to over a million data points using GPU parallelism, a hundred times more than previous methods. In addition, our method outperforms other scalable Gaussian processes while maintaining similar or faster training times. We then present a method to lower the burden of learning physical systems for neural networks by representing constraints explicitly and using coordinate systems that simplify the functions that must be learned. Our method results in models that are a hundred times more accurate than competing baselines while maintaining a hundred times higher data efficiency. Advisors/Committee Members: Wilson, Andrew G (chair), Kleinberg, Robert D (committee member).

Subjects/Keywords: exact inference; Gaussian process; hamiltonian; lagrangian; neural networks; physics priors

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Wang, K. A. (2020). Large Scale Exact Gaussian Processes Inference and Euclidean Constrained Neural Networks with Physics Priors. (Masters Thesis). Cornell University. Retrieved from http://hdl.handle.net/1813/70285

Chicago Manual of Style (16th Edition):

Wang, Ke Alexander. “Large Scale Exact Gaussian Processes Inference and Euclidean Constrained Neural Networks with Physics Priors.” 2020. Masters Thesis, Cornell University. Accessed May 11, 2021. http://hdl.handle.net/1813/70285.

MLA Handbook (7th Edition):

Wang, Ke Alexander. “Large Scale Exact Gaussian Processes Inference and Euclidean Constrained Neural Networks with Physics Priors.” 2020. Web. 11 May 2021.

Vancouver:

Wang KA. Large Scale Exact Gaussian Processes Inference and Euclidean Constrained Neural Networks with Physics Priors. [Internet] [Masters thesis]. Cornell University; 2020. [cited 2021 May 11]. Available from: http://hdl.handle.net/1813/70285.

Council of Science Editors:

Wang KA. Large Scale Exact Gaussian Processes Inference and Euclidean Constrained Neural Networks with Physics Priors. [Masters Thesis]. Cornell University; 2020. Available from: http://hdl.handle.net/1813/70285

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