Vipul Kashyap is a Fellow at the Lister Hill National Center for Biomedical Communications in the National Library of Medicine, where he is investigating the role of the emerging Semantic Web in creating a flexible and interoperable infrastructure for Healthcare, Medicine and Bio-Informatics. He has worked on issues related to semantic information modeling and integration in an industrial setting. Prior to working at the NLM, Vipul has worked at Micro-electronics and Computer Technology Corporation (MCC) and Applied Research Labs of Telcordia Technologies (formerly known as Bellcore), and has