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Bayesian Optimization with Dimension Scheduling: Application to Biological Systems

26th European Symposium on Computer Aided Process Engineering, 2016, Vol.38, p.1051-1056 [Peer Reviewed Journal]

2016 Elsevier B.V. ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 1570-7946 ;ISBN: 0444634282 ;ISBN: 9780444634283 ;DOI: 10.1016/B978-0-444-63428-3.50180-6

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  • Title:
    Bayesian Optimization with Dimension Scheduling: Application to Biological Systems
  • Author: Ulmasov, Doniyor ; Baroukh, Caroline ; Chachuat, Benoit ; Deisenroth, Marc Peter ; Misener, Ruth
  • Subjects: Bayesian Optimization ; Black-Box Optimization ; Life Sciences ; Microalgae Metabolism ; Parameter Estimation
  • Is Part Of: 26th European Symposium on Computer Aided Process Engineering, 2016, Vol.38, p.1051-1056
  • Description: Bayesian Optimization (BO) is a data-efficient method for global black-box optimization of an expensive-to-evaluate fitness function. BO typically assumes that computation cost of BO is cheap, but experiments are time consuming or costly. In practice, this allows us to optimize ten or fewer critical parameters in up to 1,000 experiments. But experiments may be less expensive than BO methods assume: In some simulation models, we may be able to conduct multiple thousands of experiments in a few hours, and the computational burden of BO is no longer negligible compared to experimentation time. To address this challenge we introduce a new Dimension Scheduling Algorithm (DSA), which reduces the computational burden of BO for many experiments. The key idea is that DSA optimizes the fitness function only along a small set of dimensions at each iteration. This DSA strategy (1) reduces the necessary computation time, (2) finds good solutions faster than the traditional BO method, and (3) can be parallelized straightforwardly. We evaluate the DSA in the context of optimizing parameters of dynamic models of microalgae metabolism and show faster convergence than traditional BO.
  • Publisher: Elsevier
  • Language: English
  • Identifier: ISSN: 1570-7946
    ISBN: 0444634282
    ISBN: 9780444634283
    DOI: 10.1016/B978-0-444-63428-3.50180-6
  • Source: Hyper Article en Ligne (HAL) (Open Access)
    ScholarVox International
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