Preface: BALCOR 2017

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Preface: BALCOR 2017 P. Pardalos1 · E. Zafeiriou2 · K. Vergidis3 Published online: 2 November 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020

Abstract The preface introduces this special issue and describes in brief a number of OR applications in different scientific fields such as environment, forestry, engineering, finance and economics. The findings of this special issue verify the applicability and usefulness of OR different methodologies as a means of acquiring solutions for confronting ICT challenges in the contemporary digital world. This special issue of the Annals of Operations Research comprises a selection of papers from researchers across the world in the field of OR in the Digital Era—ICT Challenges. The majority of these constitute submissions from the 6th International Symposium and 28th National Conference on Operational Research that took place in Thessaloniki between June 8–10, 2017. A selection of 32 papers are included in this special issue following a thorough peerreview process. The papers included in this issue cover a wide range of OR applications in relation to the environment, forestry, engineering, finance and economics and document the applicability and usability of a variety of quantitative methods, such as stochastic models, optimization methodologies, game theory, time series analysis and others. The majority of the accepted papers underline issues such as optimization in forest management, ecosystem management, supply chain management, health economics, energy consumption, renewable energy and asset management. In terms of energy sources Hsu, Walteros and Batta in their paper, “Solving the petroleum replenishment and routing problem with variable demands and time windows” develop a methodological framework for designing the daily distribution and replenishment operations

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E. Zafeiriou [email protected] P. Pardalos [email protected] K. Vergidis [email protected]

1

University of Florida, Gainesville, USA

2

Department of Agricultural Development, School of Agricultural and Forestry Sciences, Laboratory of Applied Economic Statistics and Informatics, Democritus University of Thrace, Orestiada, Greece

3

Department of Applied Informatics, School of Information Sciences, University of Macedonia, Thessaloniki, Greece

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Annals of Operations Research (2020) 294:1–7

of petroleum products over a weekly planning horizon by taking into account the perspectives of both the transporter and its customers. Based on their findings, the proposed approach can be used for designing the distribution plan for delivering petroleum products in conditions where the operational capabilities of the transporter are limited for generating optimal on-time plans. Energy pricing is another interesting issue analyzed by Dimitriadis and Katrakilidis in their paper, “An empirical analysis of the dynamic interactions among ethanol, crude oil and corn prices in the US market.” With the assistance of the autoregressive distributed lags (ARDL) and the Johansen ML cointegration met