Scalable Algorithms for Bayesian Inference of Large-Scale Models from Large-Scale Data

Scalable Algorithms for Bayesian Inference of Large-Scale Models from Large-Scale Data
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用于从大规模数据进行大规模模型的贝叶斯推理的可扩展算法

DOI:
10.1007/978-3-319-61982-8_1
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发表时间:
2017
期刊:
Springer
影响因子:
--
通讯作者:
Stadler, Georg
Stadler, Georg
中科院分区:
--
文献类型:
--
作者:
Ghattas, Omar;Isaac, Toby;Petra, Noemi;Stadler, Georg

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当今计算科学和工程领域面临的最大挑战之一是如何将复杂的数据与复杂的模型相结合,以创建更好的预测。这一挑战跨越了CS&E的每个应用领域,从地球科学、材料、化学系统、生物系统和天体物理学到航空航天、运输、结构、电子、生物医学等领域的工程系统。许多这些系统的特点是复杂的非线性行为耦合多个物理过程在很宽的范围内的长度和时间尺度。这些系统的数学和计算模型通常包含许多不确定的参数,使得高可靠性的预测建模成为一个挑战。随着观测数据量的快速增长,以及HPC能力的巨大增长,通过解决大规模逆问题,可以减少这些不确定性。
One of the greatest challenges in computational science and engineering today is how to combine complex data with complex models to create better predictions. This challenge cuts across every application area within CS&E, from geosciences, materials, chemical systems, biological systems, and astrophysics to engineered systems in aerospace, transportation, structures, electronics, biomedicine, and beyond. Many of these systems are characterized by complex nonlinear behavior coupling multiple physical processes over a wide range of length and time scales. Mathematical and computational models of these systems often contain numerous uncertain parameters, making high-reliability predictive modeling a challenge. Rapidly expanding volumes of observational data—along with tremendous increases in HPC capability—present opportunities to reduce these uncertainties via solution of large-scale inverse problems.
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