This paper presents the design, implementation and validation of an enhanced mobile phone messaging system (DeDe), allowing the sender to define the context in which the message w...
We describe ViralVCD: a low cost method for tracing paths of information diffusion in developing communities using physical media. We instituted a participatory video framework fo...
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...
We review the current status of ethnography in systems design. We focus particularly on new approaches to and understandings of ethnography that have emerged as the computer has m...
Andy Crabtree, Tom Rodden, Peter Tolmie, Graham Bu...
A consistent theoretical and practical challenge in the design of socio-technical systems is that of motivating users to participate in and contribute to them. This study examines...
Cliff Lampe, Rick Wash, Alcides Velasquez, Elif Oz...