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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.
Pyramid diagram
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hierarchy pyramid Pyramid Diagrams

hierarchy pyramid
Pyramid Diagrams solution extends ConceptDraw PRO software with templates, samples and library of vector stencils for drawing the marketing pyramid diagrams.
"At the base of the identity of an organisational is its organizational culture. A culture is comprised of the shared values, customs, traditions, rituals, behaviours and beliefs shared by a social group (national, ethnic, organizational, etc.). Cultures also share languages, or ways of speaking. From a communication perspective, cultures are made and remade through the words we use to describe our world. Culture represents a common set of values (“shared meanings”), shared by members of a population, a organization, a project/ programme purpose unit or a profession (e.g., engineers versus scientists). Culture change with the times but the speed at which the culture of different institutions change varies widely." [Development Cooperation Handbook/ The development aid organization/ Organizational Culture. Wikibooks]
This organizational culture triangle diagram example derived from Parker and Benson's model. It's for explaination of the Regatta: Adoption Method.
The pyramid diagram example "Organizational culture" was redesigned using the ConceptDraw PRO diagramming and vector drawing software from Wikimedia Commons file Organization_ Triangle.png. [commons.wikimedia.org/ wiki/ File:Organization_ Triangle.png]
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license. [creativecommons.org/ licenses/ by-sa/ 2.5/ deed.en]
The triangular chart sample "Organizational culture" is included in the Pyramid Diagrams solution from the Marketing area of ConceptDraw Solution Park.
Pyramid diagram
Pyramid diagram, triangle diagram, triangular diagram, triangle chart, triangular chart, triangle scheme, triangular scheme,

ConceptDraw PROJECT is an effective tool for new and experienced users with a fine balance of usability and powerful functionality.
"The Project Management Triangle (called also Triple Constraint or the Iron Triangle) is a model of the constraints of project management. It is a graphic aid where the three attributes show on the corners of the triangle to show opposition. It is useful to help with intentionally choosing project biases, or analyzing the goals of a project. It is used to illustrate that project management success is measured by the project team's ability to manage the project, so that the expected results are produced while managing time and cost." [Project management triangle. Wikipedia]
The pyramid chart example "Project management triangle diagram" was redesigned using the ConceptDraw PRO diagramming and vector drawing software from Wikimedia Commons file Project-triangle-en.svg. [commons.wikimedia.org/ wiki/ File:Project-triangle-en.svg]
The project management triangle chart example is included in the Pyramid Diagrams solution from the Marketing area of ConceptDraw Solution Park.
Pyramid diagram
Pyramid diagram, triangle diagram, triangular diagram, triangle chart, triangular chart, triangle scheme, triangular scheme,