# database id managed by the dbms id: # unique within g5 groups slug: name: # cardinality 'n': 0 # 'occu' or 'history' type: description: | # relative path to download: # array of source slugs sources:  # array of group slugs parents:  # array of group slugs children:  # array of person ids (neither person slugs nor person objects) members: 
Parents - childrenFields
childrenpermit to manage subgroups.
child --> parentis implemented with a direct acyclic graph (DAG), vendor/tiglib/dag.
The edges of this graph are "is child of" relations.
This permits to have several children and several parents.
Parent - child relations are used to classify occupations.