Case Retrieval And Optimization Model For Supplier Selection

The arrival of the Internet age,Make the electronic commerce also got rapiddevelopment, In terms of market competition than ever before, Also even more quickly,Market competition ultimately to blame for the product competition,Product competition not only attributed to the unique design,Information age makes us no longer have so many ideas,Instant imitation or copied is very normal thing.This leads to low cost, low price competition in the product in the process of importance is self-evident.More than 70% of the product cost in the purchasing cost, And in many high-tech enterprises, most of them is the procurement and service outsourcing, purchasing cost occupies more than 80%,To be able to gain certain competitiveness in the market competition, the supplier of choice is most businesses or each enterprise decision must be made in earnest a business activity.Case-based reasoning technology was applied to the supplier of choice, And according to case retrieving the appropriate and similar case is optimized, Supplier selection is a multi-objective decision, how to weigh the importance of the relationship between the index is the key to decision making. And the case-based reasoning technology is at the core of the case retrieval efficiency and accuracy, decided the effect of case retrieval is the similarity between source case and target case calculation method, The current commonly used is the nearest neighbor algorithm, But nearest neighbor algorithm fails to consider the lack of data and properties between the degree of substitution, the article made further improvement, to a certain extent, improve the retrieval accuracy. And said the qualitative indicators to quantitative, adds further similarity computation efficiency,So as to make the searching out the source of the case is more close to the target case, the selection of suppliers more accurate choosing based on past experiences.In this paper, with the supplier of choice as the research object, With case-based reasoning technology and multi-objective decision method to assist decision makers make optimal decisions,Detailed analysis at home and abroad about the choice of supplier evaluation index, improved the calculation method of similarity, and an example is used to verify the effectiveness of the improved, Under the restricted condition of multi-objective decision is based on a variety of make the best choice. Makes the supplier choose the best meet the needs of buyers, save the purchasing cost, make the product is competitive in the fast changing market.