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Cluster diagram

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Title: Cluster diagram  
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Cluster diagram

A Cluster diagram or clustering diagram is a general type of diagram, which represents some kind of cluster. A cluster in general is a group or bunch of several discrete items that are close to each other. [1]

The cluster diagram figures a cluster, such as a network diagram figures a network, a flow diagram a process or movement of objects, and a tree diagram an abstract tree. But all these diagrams can be considered interconnected: A network diagram can be seen as a special orderly arranged kind of cluster diagram. A cluster diagram is a mesh kind of network diagram. A flow diagram can be seen as a line type of network diagram, and a tree diagram a tree type of network diagram.


  • Types of cluster diagrams 1
  • References 2
  • Further reading 3
  • External links 4

Types of cluster diagrams

Specific types of cluster diagrams are:

  • In architecture a comparison diagram is sometimes called a cluster diagram.[2]
  • In [3] Also, the term cluster diagrams is sometimes used as synonym of mind maps".[4]

  • In information visualization specific visual representation of large-scale collections of non-numerical information are sometimes drawn in the shape of a cluster diagram.
  • In quantum field theory for example, according to Crawford (1998), the called coupled cluster diagram is a "simple diagrammatic formalism popularized by Kucharski and Bartlett [in 1986] by which one may construct the coupled cluster energy and amplitude equations far more quickly than by direct application of Wick's theorem".[5]


  1. ^ Lemma cluster at Wiktionary. Retrieved Sept 18, 2008.
  2. ^ Illustration called City of London Skyscraper Cluster Diagram at Retrieved 18 september 2008. Comment: This illustration depicts a "comparison diagram", but yet is called a "cluster diagram".
  3. ^ Cluster/Cloud Diagrams at 2003-2009. Accessed Nov 17, 2009.
  4. ^ Cluster diagrams are another way to mind map by starting with the keywords first. at Retrieved 18 september 2008.
  5. ^ T. Daniel Crawford (1998). "An Introduction to Coupled Cluster Diagrams". In: Reviews in computational chemistry. Kenny B. Lipkowitz, Donald B. Boyd eds. (2000) Vol 14. p.77. (Retrieved 18 september 2008).

Further reading

  • Lee E. Brasseur (2003). Visualizing technical information: a cultural critique. Amityville, N.Y: Baywood Pub. ISBN 0-89503-240-6.
  • M. Dale and J. Moon (1988). "Statistical tests on two characteristics of the shapes of cluster diagrams". in: Journal of Classification, 1988, vol. 5, issue 1, pages 21–38.
  • Robert E. Horn (1999). Visual Language: Global Communication for the 21st Century. MacroVU Press.

External links

  • Cluster diagram at
  • City of London Skyscraper Cluster Diagram
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