Ontology Design Patterns
Elegant solution from Rinke Hoekstra for n-ary relations and related design problems making use of advanced OWL 2 features.
See http://ontologydesignpatterns.org/wiki/Submissions:Social_Reality_%28OWL_2%29 http://ontologydesignpatterns.org/wiki/Submissions:Roles_%28OWL_2%29 http://ontologydesignpatterns.org/wiki/Submissions:N-Ary_Relation_Pattern_%28OWL_2%29
and http://ceur-ws.org/Vol-614/owled2010_submission_29.pdf
The pattern to model social reality (Searle) can be directly mapped to Sowa's notion of Indepenent-Relative-Mediating.