4G. Gottlob, C. Koeh. Monadic Queries over Tree-Structured Data. In:Proceedings of The 17th Annual. IEEE SymPosium on Logic Datalog in ComPuter Science, 2002:189-202.
5L. Segoufin. Typing and Querying XML Documents:Some Complexity Bounds. In ACM SymPosium on PrinciPles of Database Systems. 2002:167-178.
6AnilK. lain, Richard C. Dubes. Algorithms for clustering Data. Prentice- Hall, Gnglewood Cliffs, 1988.
二级参考文献9
1Corry C, Cadman J. COM / DCOM primer plus[M].Indianapolis: Sams Publishing, 1999.
2Pan Aimin. COM principles and applications [M]. Beijing:Tsinghua University press, 1999.
3Adam Denning. ActiveX Controls Inside Out [M]. Microsoft Press, 1997.
4Craven M, Slattery S, Nigam K. First- order learning for Web mining, Proc of the 10thEuropean Conf on Machine Learning. Chemnitz, 1998.
5Brin S et al, The anatomy of large - scale hypertextual web search engine, Proc of the Seventh Int' 1 World Wide Web Conf, 1998.
