Workshop Schedule Morning session: 7:30am - 10:30am 7:30am Opening remarks 7:40am: Invited talk: Activity recognition for the computer desktop: TaskTracer and CALO, T. Dietterich 8:15am: Invited talk: Hierarchical and duration models of activities, H. Bui 8:50am: Bayesian models of human action understanding, C. Baker and J. Tenenbaum 9:05am: Discussion and coffee break 9:30am: Invited talk: Latent variable models for social network analysis, A. McCallum 10:05am: Learning influence among interacting Markov chains, D. Zhang, D. Gatica-Perez, S. Bengio, D. Roy 10:20am: Discussion Afternoon session: 3:30pm - 6:30pm 3:30pm: Invited talk: Integrating the discovery of objects, spatial layout and actvities, D. Hogg 4:05pm: Invited talk: S-SEER: Using layered representations and selective perception for recognizing office activities, N. Oliver 4:40pm: Using sensor networks for action recognition, Y. Ivanov and C. Wren 4:55pm: Discussion and poster session 6:00pm: Moderated discussion and closing remarks