In 1987, John Zachman published a different approach to the elements of system development. Instead of representing the process as a series of steps, he organized it around the points of view taken by the various players of an enterprise.
Zachman's first paper, titled--A framework for information systems architecture IBM Systems Journal, Volume 26, Number 3, 1987, is cited at http://dl.acm.org/citation.cfm?id=33596.
In the history of Enterprise Architecture evolution, the Zachman Framework is the early-bird player, as depicted in the following image:
