Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11779/681
Title: Sequential Testing in Batches
Authors: Ünlüyurt, Tonguc
Shahmoradi, Zahed
Özluk, Özgur
Selcuk, Barış
Daldal, Rebi
Keywords: Batch testing
Combinatorial optimization
Function evaluation
Heuristics
Sequential testing
Source: Daldal, R., Özlükk, O., Selçuk, B., Shahmoradi, Z., & U?Unluyurt, T. (June 01, 2017). Sequential testing in batches. Annals of Operations Research, 253, 1, 97-116.
Abstract: We study a new extension of the Sequential Testing problem with a modified cost structure that allows performing of some tests in batches. As in the Sequential Testing problem, we assume a certain dependence between the test results and the conclusion. Namely, we stop testing once a positive result is obtained or all tests are negative. Our extension, motivated by health care applications, considers a fixed cost associated with executing a batch of tests, with the general notion that the more tests are performed in batches, the smaller the total contribution of fixed costs to the sequential testing process. The goal is to minimize the expected cost of testing by finding the optimal choice and sequence of the batches available. The resulting NP-hard model is a variation of the set partitioning problem. We propose various heuristic algorithms for the effective solution of the problem and then demonstrate the performances of the algorithms through extensive numerical experiments.
Description: Özgür Özlük (MEF Author)
URI: https://hdl.handle.net/20.500.11779/681
http://dx.doi.org/10.1007/s10479-016-2345-7
ISSN: 0254-5330
Appears in Collections:Endüstri Mühendisliği Bölümü Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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