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제목 데이터과학연구소 세미나 공고
작성자 김은빈 날짜 18.10.17 조회 142
 
 
데이터과학연구소 세미나 공고
 
 
 
 
 
 
세미나 일정
일 시 :
20181025() 오후 4:30 ~ 5:30
장 소 :
중앙대학교 경영경제대학 310410
발표자 :
황영덕 교수 (성균관대학교 통계학과)
주 제 :
 
 
Bayesian Sequential Optimization for Continuous Inputs with Finite Decision Space
 
 
 
 
 
 
 
 
Abstract
 
 
 
 
Optimization using stochastic computer experiments is commonplace in engineering and industry. This article addresses the problem of optimization, in which the input space of stochastic computer model is continuous, whereas the decision space in the real problem is restricted to be finite. We propose a new Bayesian sequential optimization method to tackle this problem. The knowledge gradient based on this restricted decision space is used as the criterion to choose new design points, and the fixed rank kriging or Gaussian process is used as the surrogate. This combination takes advantage of the continuous search space to decrease the uncertainty over the finite decision space. We demonstrate the benefit of our proposed methodology compared with existing sequential optimization methods.
 
 
 
 
 
 
 
 
Department of Applied Statistics &
The Research Center for Data Science
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