TY - GEN AU - William MacGregor C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2006-10-06 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2006 TI - An Ontology of Identity Credentials Part 1: Background and Formulation UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906227 ER -