Our research explored factors that impacted the use of wikis as a tool to support the dissemination of knowledge within an enterprise. Although we primarily talked to a population of wiki contributors and readers, we discovered two major factors which ...

Social network games (SNG) are an extremely popular and rapidly growing application of social network sites (SNS). But are SNGs really social? A survey based on a social cognitive theory approach to uses and gratifications revealed that people are ...

In this paper we describe Graaasp, a social software currently under development to support the creation of a real usage database of social artifacts. Our goals are twofold: First to offer a generic aggregation service and user interface to people and ...

The paper focuses on a novel system iFeel_IM! that integrates 3D virtual world, intelligent component for automatic emotion recognition from text, and innovative affective haptic interfaces providing additional nonverbal communication channels through ...

Shifts in the culture of civic engagement, technologies and practices surrounding social media, and pressure from political leaders have ignited a movement amongst gov't agencies to extend their efforts for obtaining input on public issues. These ...

Amazon Mechanical Turk (MTurk) is a crowdsourcing system in which tasks are distributed to a population of thousands of anonymous workers for completion. This system is increasingly popular with researchers and developers. Here we extend previous ...