1Elliotte Rusty Harold. XML 1.1 Bible (Third Edition). Wiley Publishing, Inc. 2004.
2赵劲松等编译．碰撞与避碰规则．大连海事大学出版社，1994．
3Bergmann, R, Stahl, S. : Similarity Measures for Object-Oriented Case Representations. In SmythB., Cunningham, P(eds. )Advances in Case-Basod Reasoning-(EWCBR '98), pringer-Verlag,
4Hiroshi Maruyama, Kent Tamura, Naohiko Uramoto, Makoto Murata, Andy Clark, Yuichi Nakamura, Ryo Neyama, Kazuya Kosaka,Satoshi Hada. XML and Java: Developing Web Applications, Second Edition. Addison Wesley, 2002.
