Fig. 2
From: RDF2Graph a tool to recover, understand and validate the ontology of an RDF resource
Graph simplification by merging of links and classes. Overview of the possible cases considered in the simplification step. *: Classes X1 and X2 are either equal to X or (indirect) subClassOf X, same applies to Y1, Y2 and Y. a Merging of two links in Class X that link to 2 subclasses of Class Y. b Merging of 2 links in 2 subclasses of class X. c Merging of two links in 2 subclasses of class X that link to 2 subclasses of Class Y