Managers and group leaders of a community may not have enough information to help them direct the community development. In this paper, we adopt social network analysis, graph the...
This paper explores the use of fast, simple computer vision techniques to add compelling visual capabilities to social user interfaces. Social interfaces involve the user in natur...
This paper presents a critical view of existing models of user experience. These models view experience as the subjective response in the individual's mind. While designers a...
CityFlocks is a mobile system enabling visitors and new residents in a city to tap into the knowledge and experiences of local residents, so as to gather information about their n...
This paper presents Manas, a Semiotic Engineering epistemic tool for the design of collaborative systems (CoSys) whose aim is to expand the designers’ knowledge and awareness of ...
Clarissa Maria de A. Barbosa, Raquel Oliveira Prat...