Sciweavers

814 search results - page 129 / 163
» Online health communities
Sort
View
KDD
2008
ACM
224views Data Mining» more  KDD 2008»
15 years 11 months ago
The structure of information pathways in a social communication network
Social networks are of interest to researchers in part because they are thought to mediate the flow of information in communities and organizations. Here we study the temporal dyn...
Gueorgi Kossinets, Jon M. Kleinberg, Duncan J. Wat...
KDD
2007
ACM
184views Data Mining» more  KDD 2007»
15 years 11 months ago
GraphScope: parameter-free mining of large time-evolving graphs
How can we find communities in dynamic networks of social interactions, such as who calls whom, who emails whom, or who sells to whom? How can we spot discontinuity timepoints in ...
Jimeng Sun, Christos Faloutsos, Spiros Papadimitri...
CHI
2008
ACM
15 years 11 months ago
Understanding geocaching practices and motivations
Geocaching is a location-based activity that has been practiced for a number of years. As a sustained and established activity it represents an important opportunity for understan...
Kenton O'Hara
CHI
2008
ACM
15 years 11 months ago
Don't look now, but we've created a bureaucracy: the nature and roles of policies and rules in wikipedia
Wikis are sites that support the development of emergent, collective infrastructures that are highly flexible and open, suggesting that the systems that use them will be egalitari...
Brian S. Butler, Elisabeth Joyce, Jacqueline Pike
CHI
2007
ACM
15 years 11 months ago
Trust 2.1: advancing the trust debate
Trust has a considerable research tradition in the CHI community. It has been investigated in the context of e-commerce, virtual teams, online gaming, social networking ? to name ...
Jens Riegelsberger, Asimina Vasalou