Much of the support for communication across distributed communities has focused on meetings and intentional contact. However, most interactions within co-located groups occur whe...
We analyze help-seeking strategies in two large tech support boards and observe a number of previously unreported differences between tech support boards and other types of online...
Many groupware systems now allow people to converse and casually interact through their computers in quite rich ways—through text, images, video, artifact sharing and so on. If ...
This paper reports on an ethnographic study of the technology-enabled behavior that took place amongst a citizen population living in a conflict zone. We interviewed 65 Iraqi citi...
This paper presents and validates performance models for a variety of high-performance collective communication algorithms for systems with Cell processors. The systems modeled in...