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
M. zur Muehlen, и J. Recker. Advanced Information Systems Engineering, том 5074 из Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2008)