Enterprise Architecture Diagrams

A four level pyramid model of different types of Information Systems based on the different levels of hierarchy in an organization. The first level represents transaction processing systems for workers. The second level represents management information systems for middle managers. The third level represents decision support systems for senior menegers. The fourth level represents executive information systems for executives.
"The "classic" view of Information systems found in the textbooks in the 1980s was of a pyramid of systems that reflected the hierarchy of the organization, usually transaction processing systems at the bottom of the pyramid, followed by management information systems, decision support systems, and ending with executive information systems at the top. Although the pyramid model remains useful, since it was first formulated a number of new technologies have been developed and new categories of information systems have emerged, some of which no longer fit easily into the original pyramid model.
Some examples of such systems are:
data warehouses,
enterprise resource planning,
enterprise systems,
expert systems,
search engines,
geographic information system,
global information system,
office automation." [Information systems. Wikipedia]
This diagram was redesigned using the ConceptDraw PRO diagramming and vector drawing software from Wikimedia Commons file Four-Level-Pyramid-model.png. [commons.wikimedia.org/ wiki/ File:Four-Level-Pyramid-model.png]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. [creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
The triangle chart example "Information systems types" is included in the Pyramid Diagrams solution from the Marketing area of ConceptDraw Solution Park.

This enterprise architecture (EA) metamodel diagram example was redesigned from the illustration of article " helicopters and metamodels take 2".
"This is a “helicopter” level view – meant as a consulting and conversation guide for senior managers to help them place enterprise architecture appropriately in their strategic thinking."
www.achurchassociates.com/ 2012/ 10/ 16/ helicopters-and-metamodels-take-2/
from the website www.achurchassociates.com , with the kind permission of Ric Hayman.
The example "Enterprise architecture diagram" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Enterprise Architecture Diagrams solution from the Management area of ConceptDraw Solution Park.