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» Understanding latent interactions in online social networks
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IUI
2004
ACM
15 years 5 months ago
Choosing when to interact with learners
In this paper, we describe a method for pedagogical agents to choose when to interact with learners in interactive learning environments. This method is based on observations of h...
Lei Qu, Ning Wang, W. Lewis Johnson
CHI
2009
ACM
16 years 11 days ago
Making sense of strangers' expertise from signals in digital artifacts
Contemporary work increasingly involves interacting with strangers in technology-mediated environments. In this context, we come to rely on digital artifacts to infer characterist...
N. Sadat Shami, Kate Ehrlich, Geri Gay, Jeffrey T....
CHI
2009
ACM
16 years 11 days ago
Learning how: the search for craft knowledge on the internet
Communicating the subtleties of a craft technique, like putting a zipper into a garment or throwing a clay pot, can be challenging even when working side by side. Yet HowTo conten...
Cristen Torrey, Elizabeth F. Churchill, David W. M...
CHI
2009
ACM
15 years 6 months ago
Coordinating tasks on the commons: designing for personal goals, expertise and serendipity
How is work created, assigned, and completed on large-scale, crowd-powered systems like Wikipedia? And what design principles might enable these federated online systems to be mor...
Michel Krieger, Emily Margarete Stark, Scott R. Kl...
FC
2001
Springer
123views Cryptology» more  FC 2001»
15 years 4 months ago
Trust: A Collision of Paradigms
The technological challenges of securing networks are great, as recently witnessed in widespread denial of service and virus attacks. The human reaction to these attacks may be ei...
L. Jean Camp, Helen Nissenbaum, Cathleen McGrath