I think it could be very useful to add these types as possible property
values
Node or Node[]
Relationship or Relationship[]
This is useful to implement more complex graphs. For instance, security
roles:
I can define a security role as a node and users nodes can HAVE a
relationship to that role.
The use case is when that role is related to something, for instance a
project. Let's have there are 4 standard roles for each project, and
1000 projects. Currently I would need 4000 effective roles to be related
to users or only 4 roles but relationships between users and roles have
a property with the project that relationship is related to. The 4000
roles solution is bad for management: every time a role is modified 1000
modifications must be done. The projectname-as-a-property solution
doesn't enable easy navigation.
A more elegant solution is to add a property to the user-->role
relationship: the related to project node.
If Node is allowed, better if Node[] are allowed too. And maybe there
are also use cases for Relationship and Relationship[] as property value.
Aniceto
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