2[2]Armstrong R,Division A.An Empirical Investigation of The Dimensions of Service Quality in Autralian Accounting Firms[J].Journal of Customer Service in Marketing and Management,2005,1(2).
3[3]Bill Merrilees,Rohan Bentley,Ross Camerron.Business Service Market Segmentation:The Case of Electrical And Mechanical Building Maintenance Services[J].Journal of Business & Industrial Marketing,1989,14(2).
4[4]Robertson.T,Barich H.A Successful Approach to Segmenting Industrial Markets[J].Planning Review,Nov.-Dec,1992.
6[6]Hannu Littnen.Birth And Growth in New Metal-based Manu Facturing And Business Service Firms in Finland[J].Journal of Small Business And Enterprise Development,2001,8(4).
9Resnick P, Varian HR. Recommender systems[J].Communication of the ACM, 1997, 40(3):56-58.
10Adomavicius G and Tuzhilin A. Towards the Next Generation of Recommender Systems: A Survey of the State-of-the-Art and Possible Extensions. IEEE Transactions on Knowledge and Data Engineer- ing, 2005, 17(6): 734 - 749.
