tree structure


General Science

  • noun a data structure system in which each item of data is linked to several others by branches.


  • A structure, such as that of data, in which each node has branching subunits which follow a hierarchical structure of paths or alternatives, all the way down until reaching nodes with no branches, called leaves. Examples include binary trees and decision trees.

Information & Library Science

  • noun a way of writing down the connections between items in an indexing string, using a system of branches rather than linear format