I think SWHID are very interesting and pretty well thought out. Whilst they can be used for individual digital files, they look like they are designed for hier

I think SWHID are very interesting and pretty well thought out. Whilst they can be used for individual digital files, they look like they are designed for hierarchical file-systems. We are actually trying to move away from the concept of a hierarchical model for our digital files. Instead we want a more flexible and abstract model, where one or more hierarchies might describe an arrangement of files.