Brad Fitzpatrick recently wrote an elegant and important post about the Social Graph, a term used by Facebook to describe their social network. In his post, Fitzpatrick defines "social graph" as "the global mapping of everybody and how they're related". He went on to outline the problems with it, as well as a broad set of goals going forward. One problem is that currently you need to have different logins for different social networks. Another issue is portability and ownership of an individual's information, explicitly and implicitly revealed while using social networks. As was recently asserted in the Social...
Die Deutsche Gesellschaft für Informationswissenschaft und Informationspraxis e.V. (DGI) fördert die Entwicklungen der Informationswissenschaft und Informationspraxis durch die Beobachtung und Vermittlung von Grundlagen, Arbeitsmethoden und technischen Hilfsmitteln.
D. Liben-Nowell, и J. Kleinberg. Proceedings of the twelfth international conference on Information and knowledge management - CIKM \textquotesingle03, ACM Press, (2003)