I think you'll find that the key is J\1515\V0S47, not J\1515\V0547.
The "J" indicates that the object being referred to is in a job, rather than in a shared container (type "C").
"V" is "view" (effectively a Designer palette picture) and "S" is stage.
"V0" is the base view (the job itself) while higher-numbered views are containers. "S47" indicates that this was the 48th object added to the job design (numbering begins from 0).
IBM Software Services Group
Any contribution to this forum is my own opinion and does not necessarily reflect any position that IBM may hold.