Abstract Uncertainty is everywhere in the food delivery process, which significantly influences decision-making for complex on-demand problems, affecting efficiency and customer satisfaction. Especially, service time an indispensable part of process impacted by various uncertain factors. Due to simplicity high accuracy requirement, we model as a Gaussian mixture (GMM). In detail, transform dist...

Abstract In several online retail contexts, such as grocery retailing, customers have to be present at the moment of delivery, that is, an attended home delivery service is in place. This requirement adds new challenges this channel, often leading narrow profitability. From operations perspective, performed with retailer offering multiple time slots for customer choose from. Retailers target a ...

Service firms have become highly competitive in terms of providing the delivery. The delivery quality in terms of delivery commitments. Delivery commitments impact the customer in deciding for the service. Computing the delivery commitments in stochastic service systems is a real challenge. Delivery commitment forms a key parameter in formulating the service level agreements in B2B markets. In ...

Background Despite increased access to treatment and reduced incidence, vertical transmission of HIV continues to pose a risk to maternal and child health in sub-Saharan Africa. Performance-based financing (PBF) directed at healthcare providers has shown potential to improve quantity and quality of maternal and child health services. However, the ways in which these PBF initiatives lead to impr...