: Video sharing has become a growing social practice, with YouTube being the predominant online video sharing site. Most of the research concerning YouTube’s social impact has be...
In recent years, we have witnessed a significant growth of "social computing" services, or online communities where users contribute content in various forms, including ...
The paper describes a further development of the design of a motivational visualization encouraging participation in an online community. The new design overcomes shortcomings in p...
Communities of practice (COPs) have been around since the founding of the first social networks many millennia ago. Organizations around the world over the last two decades have l...
This paper focuses on online gift exchange in a setting where online and offline interactions are tightly intertwined and most of the exchanges require face-to-face interaction to...