Browsing MF - Makale Koleksiyonu | Endüstri Mühendisliği Bölümü / Department of Industrial Engineering by Subject "Algorithms"

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The economic lot-sizing problem with perishable items and consumption order preference

Önal, Mehmet; Romeijn, H. Edwin; Sapra, Amar; Van den Heuvel, Wilco (Elsevier Science BV, 2015-08-01)

We consider the economic lot-sizing problem with perishable items (ELS-PI), where each item has a deterministic expiration date. Although all items in stock are equivalent regardless of procurement or expiration date, we ...
A note on "The economic lot sizing problem with inventory bounds"

Önal, Mehmet; Van den Heuvel, Wilco; Liu, Tieming (Elsevier Science BV, 2012-11-06)

In a recent paper, Liu [3] considers the lot-sizing problem with lower and upper bounds on the inventory levels. He proposes an O(n(2)) algorithm for the general problem, and an O(n) algorithm for the special case with ...
Optimal project duration for resource leveling

Eren, Elif; Atan, Sabri Tankut (Elsevier Science BV, 2018-04-16)

Resource leveling is important in project management as resource fluctuations are costly and undesired. Typically, schedules with better resource profiles are obtained by shifting the activities within their float times ...