[uf-discuss] rel-tag for hierarchical categories
danny.ayers at gmail.com
Sat Dec 3 05:23:28 PST 2005
On 12/3/05, Kevin Marks <kmarks at technorati.com> wrote:
> No, tagspaces are meant to be flat. If you want hierarchy you need
> something else.
I'm not sure "flat" is quite the right word.
If you tag say a blog entry with "software" and "httpsubscription",
the individual relationships are:
<entry> taggedWith "software"
<entry> taggedWith "httpsubscription"
you could potentially view the combined tagging through either hierarchy:
which would correspond to relationships in the tagging scheme of:
"httpsubscription" subCategoryOf "software"
"software" subCategoryOf "httpsubscription"
If you use URIs for the categories, this can all fit nicely into the RDF graph.
An individual tagging scheme, capturing the preferred hierarchy (using
@prefix skos: <http://www.w3.org/2004/02/skos/core#"> .
A use of it:
@prefix tags: <http://www.holygoat.co.uk/owl/redwood/0.1/tags/> .
Going down this route it's not difficult to extend into further
information, like who did the tagging.
[Rich - any chance of adding a minimal example or two to the ontology,
right now it looks like you need to commit to the whole caboodle to be
able to use it]
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