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. Author manuscript; available in PMC: 2013 Nov 21.
Published in final edited form as: Neuroinformatics. 2012 Jan;10(1):10.1007/s12021-011-9119-9. doi: 10.1007/s12021-011-9119-9

Figure 2. XCEDE Hierarchy example.

Figure 2

Hierarchy “level” elements are bold-faced for clarity. Note that level elements include attributes linking the elements to related elements in the hierarchy (e.g. ‘subjectID’ in ‘visit’ links to ‘subject’). The linked item is not required to be defined within the same document.