Takeshi Matsukura, Hiroyuki Kondo, Yoichi Hirata, Katsumi Tanaka. Discovery of Semantic Relationships among Web Pages Based on Web Topic Structures. In Robert Meersman, Karl Aberer, Tharam S. Dillon, editors, Semantic Issues in E-Commerce Systems, IFIP TC2/WG2.6 Ninth Working Conference on Database Semantics, April 25-28, 2001, Hong Kong. Volume 239 of IFIP Conference Proceedings, pages 171-185, Kluwer, 2001.