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Node-link data defining a graph and a tree within the graph

  • US 6,108,698 A
  • Filed: 07/29/1998
  • Issued: 08/22/2000
  • Est. Priority Date: 07/29/1998
  • Status: Expired due to Term
First Claim
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1. A method of obtaining node-link data;

  • the method comprising;

    (A) obtaining node-link data defining a graph;

    in which (A) comprises;

    obtaining tree defining data that are included in the node-link data;

    the node-link data with the tree defining data further defining a tree within the graph;

    the tree defining data indicating a set of elements in the graph that are represented in the tree;

    a subset of elements in the set being represented more than once in the tree;

    for at least one element in the subset, the tree defining data indicating which representations of the element have descendants in the tree and which representations of the element have no descendants in the tree.

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