Liang H. Hsu is a distinguished member of technical staff and manager of Multimedia Documentation Program, Siemens Corporate Research, Inc. Liang received his MS degree in computer science from University of Pittsburgh in 1983. Prior to joining Siemens, he worked for Digital Equipment Corporation as a field service support. His current interests include conversion of legacy documents into SGML/XML, XML-based document composition and hyperlinking for complex products, multimedia document delivery mechanisms, and browsing and navigation support for service-related applications.