Key Attributes

• Graphs are typed objects
  • tree
  • list
  • net

• Nodes have contents
  • graph
  • other MIME types (e.g., html)

• Two types of links
  • Structural links, constrained by graph type (e.g., tree)
  • Hyperlinks, unconstrained by graph type, join nodes within a graph or in different graphs

WWWNG Data Model. Based on conventional graph theory, WWWNG data model includes typed graphs that contain nodes and structural links. Nodes have contents that may be another graph or other MIME data. Hyperlinks join nodes within a graph or in different graphs.