Flickr has a definite relationship amongst tags called "clusters",
and they seem to be deduced. For instance, for the tag "wasp" you can
see clusters of wasp pictures:
http://www.flickr.com/photos/tags/wasp/clusters
and they relate other tags like insect, macro, bug, nature, bee,
flower, etc. This may be done by observing other tags that are also
used in association with "wasp", and perhaps we don't have
sufficiently large sample size in Chandler. :-/
However, I much prefer "clusters" to any hard hierarchy. Part of the
charm of tags is their fluidity and free form.
Reid
On Jul 28, 2006, at 19:11, Philippe Bossut wrote:
Hi there,
There's an interesting thread on sharing going on @cosmo-dev. On
one of the message, Morgen wrote:
- Tags need to be hierarchical, and when examining an item's Tags
for their ACLs, super-Tags must also be examined.
My gut reaction to hierarchical tag is "no way": hierarchies have
plenty of usability issues (to create, maintain, modify, etc...).
The success of the informal "folksonomies" using tags only is a
tribute to the idea that non-hierarchical tags are easier to
manage. *But*, saying that there is no spelled out hierarchies
between the tags does not mean that there is no structure between
them. Such a structure will need to be deduced through how the
tagged items relate to each other. Segmentation techniques should
be able to infer a local hierarchy of tags even in the most tangled
set. Once the local hierarchy is deduced (and appropriately
displayed), one can imagine to turn "off" a whole node ("work" in
the example given by Bobby).
Of course, this is rather advanced analysis of our soup of data
living in the repository but I think that some of the things that
Xun is planning to do would be perfectly applicable here (his
unsupervised tagging in particular).
Xun, what do you think?
Cheers,
- Philippe
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