Today, we dive into two spaces on the federated social web, look at their history and the players behind them, and talk about their potential futures. [Plus protocols & interoperability.]
"My guess is that federation across tag spaces will be accomplished by aggregators and search engines. When the subject is avian flu, they'll enable you to compare the resources cited by nonspecialists with those cited by various kinds of specialists (...
K. Cheung, H. Frost, M. Marshall, E. Prud'hommeaux, M. Samwald, J. Zhao, and A. Paschke. BMC Bioinformatics, (2009)"We have explored a tool called "FeDeRate", which enables a global SPARQL query to be decomposed into subqueries against the remote databases offering either SPARQL or SQL query interfaces.".
T. Groza, S. Handschuh, K. Möller, and S. Decker. Proceedings of the 5th European Semantic Web Conference, Berlin, Heidelberg, Springer Verlag, (June 2008)