Search Results - "Wallace, Stein W"

Service supply chain management: A review of operational models by Wang, Yulan, Wallace, Stein W., Shen, Bin, Choi, Tsan-Ming

“…•We review operational models in service supply chain management (SSCM).•We examine and discuss the definitions of SSCM.•We classify the literature into three…”
Get full text

Understanding the marginal distributions and correlations of link travel speeds in road networks by Guo, Feng, Gu, Xin, Guo, Zhaoxia, Dong, Yucheng, Wallace, Stein W.

“…Link travel speeds in road networks are essential data for a variety of research problems in logistics, transportation, and traffic management. Real-world link…”
Get full text

Generating Scenario Trees for Multistage Decision Problems by Hoyland, Kjetil, Wallace, Stein W

“…In models of decision making under uncertainty we often are faced with the problem of representing the uncertainties in a form suitable for quantitative…”
Get full text

Flexibility, information structure, options, and market power in robust supply chains by Wallace, Stein W., Choi, Tsan-Ming

“…Faced with uncertainty, researchers have explored concepts such as robustness, flexibility, information structure, options, and market power for supply chain…”
Get full text

Big Data Analytics in Operations Management by Choi, Tsan‐Ming, Wallace, Stein W., Wang, Yulan

“…Big data analytics is critical in modern operations management (OM). In this study, we first explore the existing big data‐related analytics techniques, and…”
Get full text

Problem-driven scenario generation: an analytical approach for stochastic programs with tail risk measure by Fairbrother, Jamie, Turner, Amanda, Wallace, Stein W.

“…Scenario generation is the construction of a discrete random vector to represent parameters of uncertain values in a stochastic program. Most approaches to…”
Get full text

Stochastic optimization models for a bike-sharing problem with transshipment by Maggioni, Francesca, Cagnolari, Matteo, Bertazzi, Luca, Wallace, Stein W.

“…•Study the One-way bike sharing systems with transshipment.•Formulate two-stage and multistage stochastic programming models.•Optimally solve these models in…”
Get full text

Planning vessel air emission regulations compliance under uncertainty by Balland, Océane, Erikstad, Stein Ove, Fagerholt, Kjetil, Wallace, Stein W.

“…In this paper we consider the reduction of air emissions from vessels when uncertainty is taken into account. Uncertainty in the reduction effects of the…”
Get full text

Problem-based scenario generation by decomposing output distributions by Narum, Benjamin S., Fairbrother, Jamie, Wallace, Stein W.

“…Scenario generation is required for most applications of stochastic programming to evaluate the expected effect of decisions made under uncertainty. We propose…”
Get full text

The combined impact of stochastic and correlated activity durations and design uncertainty on project plans by Kaut, Michal, Vaagen, Hajnalka, Wallace, Stein W.

“…Most model based studies on project uncertainty investigate a single source of uncertainty, with a dominant focus on stochastic activity durations. However,…”
Get full text

Operational benefits of autonomous vessels in logistics—A case of autonomous water-taxis in Bergen by Gu, Yewen, Wallace, Stein W.

“…Although the technology of autonomous vessels has developed rapidly in the past decade, the literature on the effects of this new technology on logistics and…”
Get full text

Autonomous vessels: state of the art and potential opportunities in logistics by Gu, Yewen, Goez, Julio Cesar, Guajardo, Mario, Wallace, Stein W.

“…The growth in technology on autonomous transportation systems is currently motivating a number of research initiatives. This paper first presents a survey of…”
Get full text

Distributionally robust multi-item newsvendor problems with multimodal demand distributions by Hanasusanto, Grani A., Kuhn, Daniel, Wallace, Stein W., Zymler, Steve

“…We present a risk-averse multi-dimensional newsvendor model for a class of products whose demands are strongly correlated and subject to fashion trends that…”
Get full text

Risk management and coordination in service supply chains: information, logistics and outsourcing by Choi, Tsan-Ming, Wallace, Stein W, Wang, Yulan

“…A service supply chain, which is a system formed by a network of suppliers, service designers, service providers and other service partners, aims to transfer…”
Get full text

Can an Emission Trading Scheme really reduce CO2 emissions in the short term? Evidence from a maritime fleet composition and deployment model by Gu, Yewen, Wallace, Stein W., Wang, Xin

“…•The new model integrates the fleet composition and deployment problem and METS.•In most scenarios, METS cannot guarantee CO2 emission reduction in the short…”
Get full text

Uncertainty in Fleet Renewal: A Case from Maritime Transportation by Pantuso, Giovanni, Fagerholt, Kjetil, Wallace, Stein W.

“…This paper addresses the fleet renewal problem and particularly the treatment of uncertainty in the maritime case. A stochastic programming model for the…”
Get full text

Disconnecting a city centre to prevent through traffic: An a priori evaluation with a focus on freight transport by Orhan, Cosku Can, Soman, Jaikishan, Wallace, Stein W.

“…•We investigate the implications of preventing through traffic at the city centre on freight transport by analysing a regulatory measure designed by the…”
Get full text

Assessing macro effects of freight consolidation on the livability of small cities using vehicle routing as micro models: The case of Bergen, Norway by Orhan, Cosku Can, Goez, Julio Cesar, Guajardo, Mario, Osicka, Ondrej, Wallace, Stein W.

“…This paper provides guidance for local authorities in small cities by equipping them with tools to comprehend and quantify freight consolidation within their…”
Get full text

Analyzing the quality of the expected value solution in stochastic programming by Maggioni, Francesca, Wallace, Stein W.

“…Stochastic programs are usually hard to solve when applied to real-world problems; a common approach is to consider the simpler deterministic program in which…”
Get full text

Deep attention models with dimension-reduction and gate mechanisms for solving practical time-dependent vehicle routing problems by Guo, Feng, Wei, Qu, Wang, Miao, Guo, Zhaoxia, Wallace, Stein W.

“…Time dependencies of travel speeds in time-dependent vehicle routing problems (TDVRPs) are usually accounted for by discretizing the planning horizon into…”
Get full text