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In this paper, a Goal Programming model was proposed for optimal deployment of patrolmen in urban areas. To demonstrate the model, we focus on Visakhapatnam city as a case study, for allocating the patrolmen to various road segments in different shifts within the patrolling region. The city road...
In today’s technology-driven world, despite of efficient planning of manufacturing system and emergence of sophisticated production methods and control systems; the items produced have some fraction of defectives. However, these defective items can be removed from the lot through a screening...
We consider the M/G/1 queue with second optional service and server breakdowns. A customer leaves the system either after the first required service with probability (1 – θ ) or immediately goes for a second optional service with probability θ after the completion of the first required service....
Manufacturers add product variants in one product family to meet customers’ different preferences. Components could be shared and reused to reduce costs. Demand and demand variance change with different sale prices under the stochastic and price-sensitive demand environment. Demand uncertainty...
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