Zaihui Cao, Dongxian Yu. A Novel Watermark Algorithm for Document Protection Based on XML. In Luo Qi, editor, Information and Automation - International Symposium, ISIA 2010, Guangzhou, China, November 10-11, 2010. Revised Selected Papers. Volume 86 of Communications in Computer and Information Science, pages 617-622, Springer, 2010. [doi]