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The multi-level uncapacitated facility location problem is not submodular.

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Title: The multi-level uncapacitated facility location problem is not submodular.
Authors: Barros, A.I., Labbe, M.
Source: European Journal of Operational Research. 11/26/1993, Vol. 71 Issue 1, p130-132. 3p.
Subjects: Industrial location, Heuristic, Location analysis
Abstract: Unlike the Uncapacitated Facility Location Problem submodularity does not hold for the Multi-Level Uncapacitated Facility Location Problem. This point needs to be clarified as submodularity is assumed in some published papers and may lead to erroneous procedures to tackle the problem. [ABSTRACT FROM AUTHOR]
Copyright of European Journal of Operational Research is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 8512194
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PubType: Academic Journal
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  Data: <searchLink fieldCode="JN" term="%22European+Journal+of+Operational+Research%22">European Journal of Operational Research</searchLink>. 11/26/1993, Vol. 71 Issue 1, p130-132. 3p.
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  Data: Unlike the Uncapacitated Facility Location Problem submodularity does not hold for the Multi-Level Uncapacitated Facility Location Problem. This point needs to be clarified as submodularity is assumed in some published papers and may lead to erroneous procedures to tackle the problem. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Journal of Operational Research is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/0377-2217(93)90266-P
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      – SubjectFull: Location analysis
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              Text: 11/26/1993
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              Y: 1993
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