Decision Support System Of Enterprise Sale

With the increasing business and promotion of management level of the enterprise, current sale management information system has not met the needs from management with higher level and decision-making. Therefore, the thesis researches and designs the decision support system (ESDSS for short) of the enterprise sale in order to increase the managing level and promote continual and steady development of the enterprise.The thesis completes the following works:At first, database design. Database design structures the correlative data structure due to the current sale status, and complete the management of the correlative data to meet the needs from user's information disposal.Secondly, design of model base management system. Model base and its management system is the core of the system. There are math model and intelligence model in the thesis, including the sale quantity forecast model established by time series method and linear regression method;and price-rated model of products established by the related relationship between price and product cost, market share;advertisement and sale quantity and by means of multi-regressing method;and the intelligent model established by data training using BP neural network. The test result shows that better effect of the intelligent model.Thirdly, design of knowledge base management system. In the ESDSS the knowledge base is mainly used for storing all kinds of marketing knowledge, experience of marketing experts and marketing experience from successful enterprises, etc. The knowledge base system completes the functions of gain of the knowledge, expression and maintenance, etc.Fourthly, development of man-machine interface of system. The thesis develops friendly man-machine interface on the base of the design of the upper sub-systems.Test running of the system has shown that using of ESDSS can increase the sale go-aheadism of enterprises and enhance the scientific decision-making capability of leaders.