96399316_Service_Modeling_Language_WSML_ng_RDFS_for_WSML_triple_syntax_3
[WSML keyword] wsml#arity [1] Used to define the arity of a WSML relation. [WSML keyword_2] wsml#orchestration [3] 
Used to type an orchestration and to bind it to an interface.
D16.1v0.2 The Web Service Modeling Language WSML
3