There are many on-line settings in which users publicly express opinions. A number of these offer mechanisms for other users to evaluate these opinions; a canonical example is Ama...
Wikipedia’s stated mission is to provide a free encyclopedia that people all over the world can use and contribute to. However, while Wikipedia is successful at providing access...
This paper examines how different facets of favorable user behavior drive the success of an online community by using a unique data set with surveys from 1,389 participants from t...
This paper describes methods for collecting user activity data in a peer production educational system, the Instructional Architect (IA), and then takes a social network perspectiv...
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...