Figure 1
From: A subgraph isomorphism algorithm and its application to biochemical data

Search space tree. The leaves of the search space tree corresponding to a path of the search tree leading to an isomorphism are highlighted with a green stick.
From: A subgraph isomorphism algorithm and its application to biochemical data
Search space tree. The leaves of the search space tree corresponding to a path of the search tree leading to an isomorphism are highlighted with a green stick.