Linkage of self-descriptions

Related to issue 173 Linkage of self-descriptions (and their corresponding data) in nested folder structures Within our planned data space (Marispace-X) data is most often stored in nested structures. Consider a data set that is stored in a nested folder structure like:

data_set
data_set/data_set_raw
data_set/data_set_processed
data_set/data_set_raw/file_01.xtf\ 
data_set/data_set_raw/file_02.xtf\
data_set/data_set_raw/file_03.xtf\ 
data_set/data_set_raw/file_04.xtf\
data_set/data_set_processed/file_01.csv\ 
data_set/data_set_processed/file_02.csv\ 

Separate self-descriptions should be created for the folder "data_set", "data_set/data_set_raw", "data_set/data_set_processed", and each individual file (*.xtf, *csv) to make data findable and accessible on different structure levels.
For this scenario the self-descriptions of the nested folders and the files (and their corresponding data) need to be linked to the respective parent folder self-description.
How can this scenario be handled in the self-descriptions and federated catalogue?