In this paper, an optimization based learning method is proposed for image retrieval from graph model point of view. Firstly, image retrieval is formulated as a regularized optimi...
Recognition of complex activities from surveillance video requires detection and temporal ordering of its constituent "atomic" events. It also requires the capacity to ro...
This paper investigates emergent practices around `microblogging', changing and sharing status within a social group. We present results from a trial of `Connecto', a ph...
Louise Barkhuus, Barry Brown, Marek Bell, Scott Sh...
We describe our research--its approach, results and products--on Danish emergency medical service (EMS) field or "pre-hospital" work in minor and major incidents. We dis...
We present data from detailed observation of 24 information workers that shows that they experience work fragmentation as common practice. We consider that work fragmentation has ...