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7Zhao F L, Wu S Y. A cooperative framework for process planning [ J ]. International Journal of Computer Integrated Manufacturing, 1999,12(2) : 168 - 178.
8Qiao L, Yang Z, Yan Z, Zhang C. A unified product information model to support product and process design concurrency[ A ]. Proceedings of the 9th ISPE International Conference on Concurrent Engineering: Research and Applications (CE2002) [C], UK: Cranfield, 2002, 385-393.
9Damiani E. Design and implementation of an access control processor for XML documents [ J]. Computer Networks, 2000,33(1) : 59 -75.
10YOU Chon Oh, SOON-HUNG Han, HYOWON Suh .Mapping Product Structure Between CAD and PDM Systems using UML[ J]. Computer-Aided Design. 2001,33(7) :521 -529.
