With the rapid development of network technology, the Web applications are used more widely, and the higher requirements on the Web system has been pursued by many people. This paper describes the Inventory Management System sufficiently to determine the feasibility and usability of a finished system. The core concept is to track the sale of items from the cash registers with additional feature...

The stochastic inventory models analyzed in this paper explore the problem of lead time associated with setup cost reductions for the continuous review and periodic review inventory models. For these two models with a mixture of backorders and lost sales, we respectively assume that their mean and variance of the lead time demand and protection interval (i.e., lead time plus review period) dema...

Previous studies on multi-location inventory systems with transshipments have focused mainly on periodic review systems with no fixed ordering cost. Since continuous review systems are also frequently used in practice, this research develops a multi-location inventory transshipment model that combines the popular order-quantity, reorder-point (Q,R) system with a third parameter, the hold-back a...

We analyze a multistage inventory system with limited production capacity facing stochastic demands. Each node follows a periodic-review base-stock policy for echelon inventory: in each period, each node attempts to produce enough material to restore cumulative downstream inventory to a fixed target level. We develop approximations to the key measures of interest (average inventories, average b...

This paper deals with a periodic-review substitutable inventory system for a finite and an infinite number of periods. Here an upward substitution structure, a substitution of a more costly item by a less costly one, is assumed, with two products. At the beginning of each period, a stochastic demand comes for the first item only, which is quality-wise better and hence costlier. Whenever an arri...

Customers and downstream supply chain partners often place, or can be induced to place, orders in advance of future requirements. We show how to optimally incorporate advance demand information into periodic-review, multiechelon, inventory systems in series. While the state space for series systems appears to be formidably large, we decompose the problem across locations, as in Clark and Scarf ...

Control of inventory in production and operation systems is very important for better management and utilization of resources. In this paper, the optimal control of a periodic-review inventory system with items deterioration is considered. We are concerned with the problem of determining the production rate that minimizes a certain cost function. We deal with both cases where the deterioration ...

One of the implicit assumptions considered in the majority of investigations performed in the area of inventory management is that the physical flow of products that passes through an inventory system as well as the associated information flow are free from defects, i.e. for a given type of product, the quantity received matches exactly the quantity ordered or there are no errors occurring duri...