This study explores whether certain contribution incentives for online user-generated content can undermine or enhance contributor’s credibility. Through an online experiment, w...
The power-law distribution of participation characterizes a wide variety of technology-mediated social participation (TMSP) systems, and Wikipedia is no exception. A minority of a...
Many power users that contribute to open source projects have no intention of becoming regular contributors; they just want a bug fixed or a feature implemented. How often do thes...
Any Web user is a potential knowledge contributor, but it remains a challenge to make them devote their time contributing to some purpose. In order to align individual with social...
Bruno Norberto da Silva, Ana Cristina Bicharra Gar...
Adapting keyword search to XML data has been attractive recently, generalized as XML keyword search (XKS). One of its key tasks is to return the meaningful fragments as the result...