Vipul Kashyap is a Senior Medical Informatician and Architect at Partners HealthCare System, responsible for design and development of a Clinical Knowledge Management Platform. Vipul has held positions at MCC, Telcordia and the NLM. He represents Partners on the W3C AC and HITSP, and leads the HCLSIG Ontology Task Force. Vipul has published 2 books, numerous articles, and has presented tutorials at AMIA, WWW and VLDB on the topic of semantics