Figure 4From: How orthogonal are the OBO Foundry ontologies?The overlap relationships of OBO Foundry candidate ontologies for March 2010 and September 2010. For each date, the two graphs show links between ontologies at 30% and 10% overlap. Nodes represent OBO Foundry candidate ontologies. An edge from a node representing an ontology O1 to a node representing an ontology O2 means that at least 30% (10%) of the terms in O1 map to some term in O2.Back to article page