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Monday, July 25, 2005

Rating Tags with "rev" not "rel"

I've been looking at the microformats.org website and from their RelFAQ section about the "rel" attribute in hyperlinks, it looks as if the "rev" attribute would be more appropriate for rating tags. At the bottom of the FAQ page the final example using their VoteLinks micro format says:

"<a href="http://www2005.org" rev="vote-for">WWW2005 is a great conference</a>" should be interpreted as,
"The current document, as a proxy for the person who wrote it (e.g. the blogger whose blog it is), is a vote-for the resource indicated by http://www2005.org."
This is quite close to a "rated tag" interpretation where...

"<a href="http://www2005.org" rev="rating:5outof5">conference</a>" would be interpreted as,
"The current document, as a proxy for the person who wrote it (e.g. the blogger whose blog it is), rated the resource indicated by http://www2005.org as 5 out of 5 against the criteria of 'conference'".
One difference is that what I am calling the "tag", which in this case is "conference", is used as the criterion against which the rating is made. Also, in the original example the text of the link "WWW2005 is a great conference" represents to readers a positive assessment, but in the second example there is no representation of the rating for readers. I would anticipate that if the concept of "rated tags" were adopted tag clouds would be presented away from the body of any text. That is why I am playing around with the idea of representing the rating associated with the tag through the text size (with limited success as can be seen below - I'm aiming for a single line of tags in blue the size of which varies in accordance with the rating against that tag).

Song

Indie

NY

MusicVideo

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