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232 Irène Alexandrescu et al. The context for the interpretation of the data has a strategic role in the knowledge output. The discussed company specific knowledge base for the product configuration should therefore consider both involved sales and design departments context and semantic. It is therefore important to recognize the different views, as shown in Table 2. Nevertheless, the common goal is to configure as fast as possible a high quality customized product, with minimum resources, minimum costs and minimum losses. Keeping this in mind, the following structure for a common knowledge base is proposed: Fig. 4 – Approach for the knowledge base.
Bul. Inst. Polit. Iaşi, t. LVI (LX), f. 2, 2010 233 Table 2 Key aspects for the sales and design departments Departments: Sales Engineering design Specialization: Marketing Engineering Modules: Functional modules Product parts and assemblies Software: Configuration tool Virtualization and calculation tools Goals: Sell the product Design with minimum costs Degree of content: Sale probability Technical feasibility In the center of the knowledge base is the abstract representation of the product structure, from a neutral point of view. This representation is company and product specific and it represents the basis for all the department specific derived views. As exemplarily presented on the right side of the picture, the module Mi in the main structure will contain its technical (e.g. for the design department), as well as its functional (e.g. for the sales department) description. The module has additional parameters and logic, for other derived views, as for example for geometry calculation, validation of a module combination or visualization of dependencies systems. Further research is currently done to describe how at early stage goal conflicts can be recognized and solved based on this structure. 5. Benefits of Using the Presented Knowledge Base The main benefits of the presented solution and its knowledge base are: - It reflects the company global view on its product structure definition; - The collection and preservation of knowledge can be carried out without strong efforts, as the configuration system is used on a daily basis; - The sales and design departments are interacting better; - The customized offers can be faster and technically more accurately generated; - There is a methodic, systematic and goal oriented approach towards a common context for the configuration. 6. Conclusions 1. The need for customized products has increased due to market globalization, internationalization and customer awareness. For staying competitive, companies have to provide custom solutions for low prices, high product quality and short lead times. 2. The knowledge necessary for configuring customized products in early design phases is often scattered through numerous software tools and separated
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