We present the optimization component of a decision support system developed for a sedan service provider. The system assists supervisors and dispatchers in scheduling driver shifts and routing the fleet throughout the day to satisfy customer demands within tight time windows. We periodically take a snapshot of the dynamic data and formulate an integer program, which we solve to near-optimality...

Using a representative sample of 478 doctors, nurses, and lab technicians working with people living with HIV/AIDS (PLWHA), a cross-sectional study was conducted to assess the impact of the AIDS epidemic on medical care systems and service providers in China. Correlation analyses showed significant association between internalized shame reported by service providers and their perception of bein...

Tracking vehicles can be the result of the requirement to keep track of a fleet or even simply to keep track of personal vehicle. In modern time where vehicle thefts are common, a GPS vehicle tracking system can come in helpful almost everywhere. This is a fast growing service enabling field where contribution is done from the side of various national and international service providers. This p...

 We consider a pickup and delivery vehicle routing problem (PDP) commonly find in real-world logistics operations. The problem includes a set of practical complications that have received little attention in the vehicle routing literature. In this problem, there are multiple vehicle types available to cover a set of transportation orders, each of which has pickup time windows and delivery time...

−− A key issue in logistics is the efficient management of a vehicle fleet servicing a set of customers with known demands. Every vehicle route must start and finish at the assigned depot, each customer is to be visited by a single vehicle and vehicle capacities must not be exceeded. These are the constraints for the capacitated vehicle routing problem (VRP) whose objective is usually the minim...

The high number of motorized vehicle population in Indonesia makes the potential need for motor services high. users reflects very dense activity community, increasing facilities that can simplify and cut time servicing vehicles are supported by existing information systems. motorcycle service development systems is background Carimontir to create technology based on applications. With this app...