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Haldun Süral

Department of Industrial Engineering
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Potential effects of logistics clusters: The case of Turkish Freight Villages
Baydar, A. Mete; Süral, Haldun; Celik, Melih (Elsevier BV, 2019-10-01)
Freight Villages (FV) are logistics clusters in which all activities related with freight transportation are realized. Various operators conduct business under one roof in FVs. Coordination and collaboration are the essent...
The dynamic p-median problem with mobile facilities
Guden, Huseyin; Süral, Haldun (Elsevier BV, 2019-09-01)
Being motivated by real life applications in construction management, we consider the dynamic p-median problem and its extension with mobile facilities. The number of facilities changes over a planning horizon where one or...
Order picking in parallel-aisle warehouses with multiple blocks: complexity and a graph theory-based heuristic
ÇELİK, MELİH; Süral, Haldun (Informa UK Limited, 2019-02-01)
In this paper, we consider the order picking problem (OPP), which constitutes one of the special cases of the Steiner travelling salesperson problem and addresses the costliest operation in a warehouse. Given a list of ite...
Generalization of the restricted planar location problems: Unified metaheuristic algorithms
Farham, Mohammad Saleh; Süral, Haldun; İyigün, Cem (Elsevier BV, 2018-11-01)
In the restricted planar location problems, facilities cannot be located inside certain areas on the plane. We define congested regions as polygonal areas on the plane inside which locating a facility is infeasible but thr...
A column generation approach for the location-routing problem with time windows
Farham, Mohammad Saleh; Süral, Haldun; İyigün, Cem (2018-02-01)
The location-routing problem with time windows consists of opening a subset of depots, assigning customers to depots, and determining routes within allowable times such that the sum of depot opening, vehicle usage, and tra...
A hybrid Benders approach for coordinated capacitated lot-sizing of multiple product families with set-up times
Bayley, Tiffany; Süral, Haldun; Bookbinder, James H. (Informa UK Limited, 2018-01-01)
We examine a coordinated capacitated lot-sizing problem for multiple product families, where demand is deterministic and time-varying. The problem considers set-up and holding costs, where capacity constraints limit the nu...
Time-dependent green Weber problem
Khoei, Arsham Atashi; Süral, Haldun; Tural, Mustafa Kemal (2017-12-01)
We consider an extension of the classical Weber problem, named as the green Weber problem (GWP), in which the customers have one-sided time windows. The GWP decides on the location of the single facility in the plane and t...
Freight villages: A literature review from the sustainability and societal equity perspective
Baydar, A. Mete; Süral, Haldun; ÇELİK, MELİH (2017-11-20)
The purpose of this study is to present a state-of-the-art literature review on Freight Villages from the sustainability and equity perspective, and discuss their impacts and place in the supply chain and logistics network...
A multi-phase heuristic for the production routing problem
Solyali, Oguz; Süral, Haldun (2017-11-01)
This study considers the production routing problem where a plant produces and distributes a single item to multiple retailers over a multi-period time horizon. The problem is to decide on when and how much to produce and ...
A polynomial algorithm for the earthwork allocation problem with borrow and waste site selection
Guden, Huseyin; Süral, Haldun (2017-09-01)
In road construction projects, earthwork is planned together with horizontal and vertical alignments. This study focuses on earthwork operations that basically include cutting the hills and filling the holes on the road pa...