dynamic cellular manufacturing systems,   mixed-integer non-linear programming,   production planning, manufacturing attributes   this paper presents a novel mixed-integer non-linear programming model for the design of a dynamic cellular manufacturing system (dcms) based on production planning (pp) decisions and several manufacturing attributes. such an integrated dcms model with an extensive c...

Nowadays, decisional systems have became a significant research topic in databases. Data warehouses and data marts are the main elements of such systems. This paper presents our decisional support system. We present graphical interfaces which help the administrator to build data warehouses and data marts. We present a data warehouse building interface based on an object-oriented conceptual mode...

There are two major problems for merging instances from different sources in order to build a datawarehouse: entity identification ambiguity and attribute value conflict. In this paper we propose a data model that facilitates the resolution of value attribute conflicts by explicitly representing them in the integrated schema. In this model, the datawarehouse is an XML tree populated with data i...

In this paper we propose an approach to business process measurement and control. The process measurement is accomplished by a data warehouse. We propose a method for development of a conceptual model of a data warehouse based on GQ(I)M method to define business goals. Together with definition of business and measurement goals, entities and their attributes are identified. The model composed of...

Logistics transportation between two countries presents some special challenges and issues for business organizations, because of the cost differentials between two countries regarding transporting, staffing, warehousing, etc. In this study, we consider a logistics problem experienced by a producer of electrical equipment, which needs to transport their products, which are produced in Mainland ...

Warehouse is one of the important aspects of a company. Therefore, it is necessary to improve Warehouse Management System (WMS) to have a simple function that can determine the layout of the storage goods. In this paper we propose an improved warehouse layout method based on ant colony algorithm and backtracking algorithm. The method works on two steps. First, it generates a solutions parameter...

 In this paper, optimum procurement policy is worked out when trade credit is offered to the retailer by the supplier and demand is stock-dependent. The own warehouse (OW) capacity is limited and excess inventory is stored in rented warehouse (RW). The rented warehouse has modern infra-structure facility. Hence, the unit holding cost in rented warehouse is assumed to be higher than that in the...

This paper describes an approach to determine a layout for the order picking area in warehouses, such that the average travel distance for the order pickers is minimized. We give analytical formulas by which the average length of an order picking route can be calculated for two different routing policies. The optimal layout can be determined by using such formula as an objective function in a n...