Provide graph view over GCIs

From cmung...@gmail.com on January 24, 2013 17:15:48

OWLGraphView provides a graph view of an ontology, with edges formed by axioms such as

X SubClassOf R Some Y
==>

Ontologies such as Uberon have taxon-specific relationships which have OWL semantics

(X and part_of some Taxon) SubClassOf R some Y

these are "invisible" in the graph view, as the subject is not a named class.

Some options:

1. Add something to materialize the class expressions on the LHS. In the above you would get a graph

{{{
Taxon X
^ /
| /
[p] [i]
| /
NewClass---[R]-->Y
}}}

1. Fold the GCI conditions into the edge label. E.g.

   X---[R,Taxon]---->Y

This is potentially dangerous, so it would be done only if the API user asks for this.

Any other options?

[Reported by Frederic Bastian]

Original issue: http://code.google.com/p/owltools/issues/detail?id=45

Start by reviewing OWLGraphView and the GCI examples in this issue; no file or test is named. Compare materializing class expressions with folding GCI conditions into edge labels, then establish which API behavior is wanted and how taxon-specific relationships will demonstrate completion.