13
votes
4answers
625 views

Has there been an implementation of a tag hierarchy with graph edge relations?

When organizing information it is common to use either a hierarchy or tags. An element in a hierarchy is ordered within a predefined category and relates to other elements as above, below or at the ...
11
votes
6answers
2k views

Can tags have hierarchy?

Does anyone have experience working with nested tags? I could not find any websites that allow users to have hierarchies in their tags (equivalent to non-mutually exclusive categories). Is it a bad ...