TY - CONF AU - Georges Grinstein AU - Catherine Plaisant AU - Sharon Laskowski AU - Theresa O'Connell AU - Jean Scholtz AU - Mark Whiting C2 - IEEE Second International Conference on Biometrics: Theory, Applications and Systems (BTAS 08), Columbus, OH, US DA - 2008-08-29 00:08:00 LA - en PB - IEEE Second International Conference on Biometrics: Theory, Applications and Systems (BTAS 08), Columbus, OH, US PY - 2008 TI - VAST 2008 Challenge: Introducing Mini-Challenges ER -