eHealth literature: "allows individuals to publish, collaborate and share experiences with other like-minded individuals or groups," (Deshpande & Jadad 2006), "the latest generation of Web-based collaborationware ," (Kamel Boulos et al. 2006), "it's the spirit of open sharing and collaboration that is paramount," (Giustini 2006), "online collaboration and sharing among users … a social phenomenon which harnesses the collective contributions of all participants," (Editors, J Vis Commun Med, 2007) "new collaborative Internet applications," (McLean et al. 2007), " better supports group interaction and fosters a greater sense of community in a potentially ‘cold’ social environment" (Kamel Boulos & Wheeler 2007), and, " improved communication and collaboration between people via social-networking technologies," (Eysenbach 2008).
"Collaboration occurs when a group of autonomous stakeholders of a problem domain engage in an interactive process, using shared rules, norms and structures, to act or decide on issues related to that domain." (Wood & Gray 1991)
May look different for different types of applications
Dialogue vs. Collaboration primarily (discourse-oriented) dialogue wikis discussion forums and listservs blogs blog networks social networking rating systems photo/audio/video sharing primarily (consensus-oriented) collaboration