Recent techniques show the benefits of attaching communitygenerated knowledge to artifacts in an information space and presenting it to subsequent readers. We argue that such know...
Successful online communities have complex cooperative arrangements, articulations of work, and integration practices. They require technical infrastructure to support a broad div...
Travis Kriplean, Ivan Beschastnikh, David W. McDon...
In any collaborative system, there are both symmetries and asymmetries present in the design of the technology and in the ways that technology is appropriated. Yet media space res...
Amy Voida, Stephen Voida, Saul Greenberg, Helen Ai...
Social networks are popular for online communities. This paper evaluates the risk of sophisticated context-aware spam that could result from information sharing on social networks...
Within a group of peers, it is often useful or interesting to know whether someone in the group has gone to bed or whether they have awakened in the morning. This information, nat...
Sunyoung Kim, Julie A. Kientz, Shwetak N. Patel, G...
An important challenge in designing ubiquitous computing experiences is negotiating transitions between explicit and implicit interaction, such as how and when to provide users wi...
Collaborative tagging systems have the potential to produce socially constructed information organization schemes. The effectiveness of tags for finding and re-finding information...
Multi-touch surfaces are becoming increasingly popular. An assumed benefit is that they can facilitate collaborative interactions in co-located groups. In particular, being able t...
Eva Hornecker, Paul Marshall, Nick Sheep Dalton, Y...
Deploying research technology in real homes is an important way of uncovering new possibilities for design. We reflect upon the deployment of a simple technological arrangement wh...
Emotion is central to human interactions, and automatic detection could enhance our experience with technologies. We investigate the linguistic expression of fine-grained emotion ...
Alastair J. Gill, Robert M. French, Darren Gergle,...