simple graphs

+ simple example

+ complex example

- typed, attributed edge      + instance           Graph           GXL      + schema           UML           Graph           GXL

+ attributes

+ undirected graph

+ ordering of incidences

hypergraphs

+ hypergraph

+ hypergraph II

hierarchical graphs

+ hierarchical graph

+ hierarchy-crossing edge

metaschema

+ gxl-1.0.gxl