2Marlin H, Richard B. The industrial virtual enterprise [J],Communications of ACM, 1997, 40(9): 59 -61.
3A. Brown. Large - Scale Component - Based Development. New Jersey: Prentice Hall, Inc., 2000.
4R. P- Diazm, Implementing Facetted Classitication for Sotlware Reuse, Communications of the ACM 34 (5)1991.
5XML Schema Part O: Primer ( http://www, w3. org/TR/xmls chema -0/).
6Wang YF. Research on retrying reusable components classified in faceted scheme [ Ph. D. Thesis]. Shanghai:Fudan University, 2002 (in Chinese with English abstrad).
