Sam Hunting is the president of eTopicality, Inc., a consultancy whose serviceofferings include topic maps, taxonomy devdelopment, content analysis, and DTD development. He was afounding member of TopicMaps.Org, which developed the XML Topic Maps (XTM)specification. He is a co-author of the XTM 1.0 DTD. He is the technical editor ofXML Topic Maps: Creating and Maintaining Topic Maps for the Web, fromAddison-Wesley. He is a co-founder of the GooseWorks project for creating opensource topic map tools. He has been working with markup technology for over 10years. (http://www.etopicality.com)