A pre-relational databases datamodel. "Preceeded" by the relational model since the flexibility of this makes it hard to work with. Now re-invented in RDF :)
July 11, 2006 with social media, the consumers are in control of production, programming, and distribution … which is a complete reversal of the traditional media model. This reversal in control leads to some interesting consequences, the most obvious
S. Greenspan, J. Mylopoulos, and A. Borgida. International conference on Software engineering, page 225--234. Tokyo, IEEE Computer Society Press, (1982)