PHILIPPE M P. Embedding knowledge in Web documents[J].Computer Networks ，1999，31(15):1403-1419.
[2]
REZAYAT M. Knowledge-based product development using XML and KCs[J]. Computer-Aided Design， 2000，32(5)：299-309.
[3]
DEUTSCH A，FERNANDEZ M. A query language for XML[J] . Computer Networks，1999，31(13):1155-1169.
[4]
KOJIMA T，SEKIGUCHI H. An expert system of machining operation planning in Internet environment[J]. Journal of Materials Processing Technology，2000，107(2):160-166.
[5]
DAMIANI E. Design and implementation of an access control processor for XML documents[J]. Computer Networks， 2000，33(1)：59-75.
