Your post on colour tagging got me to thinking about labels in the Mac OS. For as long as I can remember (well at least system 7), Apple has provided the user with the ability to apply a coloured label to any file on the system.
By default, the labels are the colour names, but his can easily be changed in the finder preferences:

Once you set up your labels, it is a simple matter of applying it to a document through a contextual menu:

As you can see, the colour appears directly on the view of the file in the finder:

You can also use the colour/label as a search criteria:

Some limitations:
Only Seven Labels
This is probably due to the limitations of our short term memory.
No ability to change the colours
Not a huge deal, but I like to think I can customize everything
Labels are Global
You cannot have contextual labels for element in particular locations. A subset of labels for my thesis, such as papers, presentations, projects, homework etc… is not possible.
While I wouldn’t call labels a rich form of tagging, it does offer rudimentary tagging to your file system.
Technorati Tags: Labels Mac OS X tagging as interface Tagging UI
These were some concepts we wanted to see in a mock up. Currently I am thinking of other ways icons could be more utilized in tagging user interfaces.
Phillip J. got me thinking, about the idea of what he calls egotagging during our discussion at northern voice earlier this month. The idea that if you bookmark something first, you should get some kind of reward as feedback and that should be represented in the interface is an interesting one, although most likely benficial to power users only. A user could build a strong reputation as a “pro boomarker” thereby adding more value/weight to the resources she tags.
In general, I think the del.icio.us UI could employ a tad more color and interaction, (and icons!) but I believe in the concept of slow evolution as well. These mockups show an idea for the “first tag” feedback and introduces the idea of tagging with a diamond (the equivalent of googles’ stars). I think these would also be a FAST and easy way to copy other users’ links into your own collection. (just diamond it!)
‘First Tag‘ and ‘Diamond This‘ input interface

‘First Tag‘ and ‘Diamond This‘ feedback interface

This was an early thought on introducing color as a tagging element. Using color maps to visualize a tag collection has endless possibilities, but at the very least you could browse your collection by the “
dark blueish” color . The feedback UI does not mean anthing too specific, just that each resource would be assigned a color label and it’s proximity to others would be further defined by its position in the color map. The draw back is that it would not allow you to specify two tags with the
exact same color.
‘Color Tag‘ input interface

‘Color Tag‘ input interface

Technorati Tags: color tag first mark icons in tagging tag rank Tagging UI Tagging user interface
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Two more sketches, both attempts to combine the typical cloud and the associated tags into a single cloud element. The relationship is determined by the number of resources each tag share together, compared to the number of neighbours that tag has has over all resources.
The default view is a normal cloud, but as you rollover each tag, the associated tags appear around the tag in a sphere. the biggest issue with this (beyond the messy CSS) is tags with many associations start getting cramped for room, especially at the top and bottom of the sphere. I could set it up with a dynamic radius, so tags with more associations had larger radius, but that could get out of hand, and start drawing off screen, which I definitely want to avoid.
Same initial state as #1, but in this instance, the associated tags get a background and colour. I am also trying to suggest the strength of a the relationship between the tags by modifying the tags brightness. The brighter the colour, the more closely related the tags are. It’s pretty subtle at the moment, but it’s not too bad.
I should point out that I have only tested these I FireFox; I’m not looking to publish these formally, and am not interested in testing and debugging in other browsers at the moment. So if these don’t work, do yourself a favour and get FireFox already.
Technorati Tags: delicious API tagcloud tags as interface
I am currently doing the Google rounds on existing (mob) tagging workshops in order to prepare for our workshop/paper and I came across steve - Social Terminology Enhancement through Vernacular Engagement.[link]
Steve is a project being developed by a group of museums that want the public to engage with their collections by allowing them to search for an item though a social filter. The way museum curator catalogues a collection is rarely the same as member of the public would search for it.
Curators rarely answer the question “What is this a picture of?”[link]
For example:

A curator may catalogue this image as Italy,futurism, painting, 1912, Balla. Giacomo
Whereas a person searching for it my use terms like dog, daschund, motion, blur
Steve is an attempt to democratize a collections catalogue, not by replacing the curators perspective, but by adding an additional layer of information provided by the public.
Bonus - Steve appears to be under a creative commons/share and share alike licence.
Technorati Tags: folksonomy usability Workshop