Browsing by Author "Koyuncu, Burcu Balçık"
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Capacity planning for effective cohorting of hemodialysis patients during the coronavirus pandemic: A case study
Bozkır, Cem Deniz Çağlar; Özmemiş, Çağrı; Kurbanzade, Ali Kaan; Koyuncu, Burcu Balçık; Gunes, E. D.; Tuglular, S. (Elsevier, 2023-01-01)Planning treatments of different types of patients have become challenging in hemodialysis clinics during the COVID-19 pandemic due to increased demands and uncertainties. In this study, we address capacity planning decisions ... -
Collaborative prepositioning network design for regional disaster response
Koyuncu, Burcu Balçık; Silvestri, S.; Rancourt, M.‐È.; Laporte, G. (Wiley, 2019-10)We present a collaborative prepositioning strategy to strengthen the disaster preparedness of the Caribbean countries, which are frequently hit by hurricanes. Since different subsets of countries are affected in each ... -
A continuous approximation approach for assessment routing in disaster relief
Huang, M.; Smilowitz, K. R.; Koyuncu, Burcu Balçık (Elsevier, 2013-04)In this paper, we focus on the assessment routing problem which routes teams to different communities to assess damage and relief needs following a disaster. To address time-sensitivity, the routing problem is modeled with ... -
Contributions to humanitarian and non-profit operations: Equity impacts on modeling and solution approaches
Equity has been acknowledged as an important concern in designing and managing humanitarian and non-profit operations over the past decade. Given the significant demands for relief supplies created by a disaster and the ... -
Coordinated inventory planning for humanitarian relief agencies
Karaca, Meserret (2016-07)Pre-positioning relief supplies in strategic locations around the world is essential for effective disaster response, especially during the critical 72 hours immediately following the disaster. Most of the existing studies ... -
A coordinated repair routing problem for post-disaster recovery of interdependent infrastructure networks
Atsız, Eren; Koyuncu, Burcu Balçık; Danış, Dilek Günneç; Sevindik, Busra Uydasoglu (Springer, 2022-12)Disasters may cause significant damages and long-lasting failures in lifeline infrastructure networks (such as gas, power and water), which must be recovered quickly to resume providing essential services to the affected ... -
A cost-sharing mechanism for multi-country partnerships in disaster preparedness
Rodríguez-Pereira, J.; Koyuncu, Burcu Balçık; Rancourt, M.-E.; Laporte, G. (Wiley, 2021-12)We study a multi-country disaster preparedness partnership involving the joint prepositioning of emergency relief items. Our focus is the Caribbean region, which faces increasing disaster threats due to weather-related ... -
A decomposition-based heuristic for a waste cooking oil collection problem
Gültekin, Ceren; Ölmez, Ömer Berk; Koyuncu, Burcu Balçık; Ekici, Ali; Özener, Okan Örsan (Springer, 2020-01-01)Every year, a tremendous amount of waste cooking oil (WCO) is produced by households and commercial organizations, which poses a serious threat to the environment if disposed improperly. While businesses such as hotels and ... -
Developing a national pandemic vaccination calendar under supply uncertainty
Karakaya, Sırma; Koyuncu, Burcu Balçık (Elsevier, 2024-04)During the COVID-19 pandemic, many countries faced challenges in developing and maintaining a reliable national pandemic vaccination calendar due to vaccine supply uncertainty. Deviating from the initial calendar due to ... -
Disaster preparedness using risk-assessment methods from earthquake engineering
Battarra, M.; Koyuncu, Burcu Balçık; Xu, H. (Elsevier, 2018-09-01)Analyzing the uncertainties associated with disaster occurrences is critical to make effective disaster preparedness plans. In this study, we focus on pre-positioning emergency supplies for earthquake preparedness. We ... -
Drone routing for post-disaster damage assessment
Adsanver, Birce; Göktürk, Elvin Çoban; Koyuncu, Burcu Balçık (Springer, 2021)We consider drones to support post-disaster damage assessment operations when the disaster-affected area is divided into grids and grids are clustered based on their attributes. Specifically, given a set of drones and a ... -
Evaluation of field visit planning heuristics during rapid needs assessment in an uncertain post-disaster environment
Hakimifar, M.; Koyuncu, Burcu Balçık; Fikar, C.; Hemmelmayr, V.; Wakolbinger, T. (Springer, 2022-12)A Rapid Needs Assessment process is carried out immediately after the onset of a disaster to investigate the disaster’s impact on affected communities, usually through field visits. Reviewing practical humanitarian guidelines ... -
An integrated post-disaster assessment routing problem for collecting damage information with drones
In this study, we focus on post-disaster damage assessment operations supported by a set of drones when the disaster-affected area is divided into grids, and grids are clustered based on their attributes. We propose a ... -
A literature review on inventory management in humanitarian supply chains
Koyuncu, Burcu Balçık; Bozkir, Cem Deniz Çağlar; Kundakcıoğlu, Ömer Erhun (Elsevier, 2016)In this paper, we present a review and analysis of studies that focus on humanitarian inventory planning and management. Specifically, we focus on papers which develop policies and models to determine how much to stock, ... -
A location-routing problem for waste oil collection
Varandi, Fahriye Naderi (2016-06)This thesis is motivated by a real-world waste cooking oil collection system. Specifically, we focus on a biodiesel production company, which regularly collects waste cooking oil from di erent sources such as fast food ... -
A machine learning approach to deal with ambiguity in the humanitarian decision-making
Grass, E.; Ortmann, J.; Koyuncu, Burcu Balçık; Rei, W. (Wiley, 2023-09)One of the major challenges for humanitarian organizations in response planning is dealing with the inherent ambiguity and uncertainty in disaster situations. The available information that comes from different sources in ... -
A mathematical model for equitable in-country COVID-19 vaccine allocation
Koyuncu, Burcu Balçık; Yücesoy, Ecem; Akça, Berna; Karakaya, Sırma; Kaplan, Asena Ayse; Baharmand, H.; Sgarbossa, F. (Taylor and Francis, 2022)Given the scarcity of COVID-19 vaccines, equitable (fair) allocation of limited vaccines across the main administrative units of a country (e.g. municipalities) has been an important concern for public health authorities ... -
A multi-cover routing problem for planning rapid needs assessment under different information-sharing settings
Pamukcu, D.; Koyuncu, Burcu Balçık (Springer Nature, 2020-03)In this paper, we introduce a multi-cover routing problem (MCRP), which is motivated by post-disaster rapid needs assessment operations performed to evaluate the impact of the disaster on different affected community groups. ... -
Multi-vehicle sequential resource allocation for a nonprofit distribution system
Koyuncu, Burcu Balçık; Iravanib, S.; Smilowitz, K. (Informa Group, 2014)This article introduces a multi-vehicle sequential allocation problem that considers two critical objectives for nonprofit operations: providing equitable service and minimizing unused donations. This problem is motivated ... -
Operations research approaches for improving coordination, cooperation, and collaboration in humanitarian relief chains: A framework and literature review
Adsanver, B.; Koyuncu, Burcu Balçık; Bélanger, V.; Rancourt, M. E. (Elsevier, 2023)Given the considerable number of actors in the humanitarian space, coordination is essential for successful disaster response. Furthermore, the sheer size of challenges and limited resources increasingly highlight the need ...
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