This paper presents the results of a qualitative research whose objective was to broaden the understanding on the participation of youngsters and adolescents on Internet-based soc...
Caroline Queiroz Santos, Ana Maria Pereira Cardoso
In mechanism design, the goal is to create rules for making a decision based on the preferences of multiple parties (agents), while taking into account that agents may behave stra...
Vincent Conitzer, Nicole Immorlica, Joshua Letchfo...
The success and popularity of social network systems, such as del.icio.us, Facebook, MySpace, and YouTube, have generated many interesting and challenging problems to the research...
In recent years, new socially-oriented Web technologies have been portrayed as placing the learner at the centre of networks of knowledge and expertise, potentially leading to new...
Collaborative web applications such as Facebook, Flickr and Yelp present new challenges for storing and querying large amounts of data. As users and developers are focused more on...
Michael Armbrust, Armando Fox, David A. Patterson,...