Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ
Tải xuống
Động lực Khi thực hiện phân tích thông tin trong một doanh nghiệp, điều quan trọng là cần lưu ý rằng các thông tin có thể được về một cái gì đó bên ngoài hệ thống thông tin hoặc các mẩu thông tin khác. Bởi vì thông tin được đặt tên theo những gì nó đại diện | Motivation When performing information analysis in a business it is important to keep in mind that the information can be about something outside the information system itself or about other pieces of information. Because information is named according to what it represents it is not always easy to distinguish between the information and the thing especially when both appear in the same model. During construction of a business model it is common to analyze and structure both the resources and information about those resources. For instance logistics in a company comprise both the actual transportation of goods and information about those goods and their transportation. The goods have attributes such as size color and form while the information about the goods has attributes such as delivery address price and delivery date. If the resource and information about the resource are modeled in the same class these concepts are intermingled making it difficult to determine which attributes describe the physical resource and which attributes provide information about the resource. This causes problems when maintaining and updating the information. Simply put the resource and information about the resource are two different things and need to be modeled as such. Both the resources and the information about them should be modeled in the same model because both are part of the logistics. However because often the information about the resource is named after the resource the information can easily be confused with the actual resource. The solution is to clearly state what the information is and what the information is about. Some examples of typical Thing-Information pairs are Product information PDM systems can handle information about products and product documentation. Systems that implement PDM do not contain the products or the documents they store information about the products and the product documentation. Customer information. Many systems especially business support