parcel delivery is a complex logistic service, as it serves many small or medium-sized customers who may send or receive parcels. modeling such delivery system needs to integrate two different research areas of hub location and vehicle routing. as it totally depends on the network and the linkage of the nodes, in this paper, some door-to-door service providers are taken into account to provide ...

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 high immunization rates, hundreds of thousands of poor and underserved children continue to lack their necessary immunizations and are at risk of acquiring a vaccine-preventable disease. local health departments (lhds) and public health clinicians figure prominently in efforts to address this problem.   methods this exploratory research compared ten (10) north carolina lhds w...