Visualizing Flickr Tags
This afternoon I popped into Andrew Tomkins' talk on Visualizing Tags over Time. The paper was nominated for a best paper award. The research looks at visualizing Flickr tags. Images and tags form a bi-partite graph that encourages "pivot browsing." Tag clouds represent the default way of visualizing tags. Tags are not fixed in time. Does the temporal structure lead to a representation that allows up to surf through time and pick a gestalt sense of what was happening over time? He demos a visualization that scans through the tags for each day, picks out representative tags and then
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Dave Weinberger on Tagging
Syndicate, another IDG event, is happening at the same hotel on the same days. I had some time before my talk on digital identity, so I snuck up to the third floor to heard Dave Weinberger talk about tagging, a subject that near to my heart lately. What's the big fuss about? After all, aren't tags just keywords and metadata? Sure, but they're metadata written in ordinary language without a special vocabulary and are (usually) applied by the reader, rather than the writer. For some reason, people are more willing to tag other people's work than they are their
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Speeding Up Tags
A while back, I added a tag cloud to my blog. The idea was to replace categories with tags, a much more flexible system. I bend the Movable Type (MT) keywords and search to my purpose. One thing I did to make that work was modify the search script in MT to search keywords exclusively when it's called with the SearchElement=keywords option. My next task, which I describe here, had three goals: Make something with a prettier URL Add RSS for tags Speed things up The last point was important if I wanted this to work at any kind
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Navigating with Tags
Jon Udell has pointed to a new set of services that InfoWorld is using to help people navigate the information on their Web site. They're beta right now, but Jon expects they'll go live on the main InfoWorld site sometime in the future. The place to start is with iws and search for something you're interested in. Once you've got results, clicking on any of the tags will limit the search results to just those with those particular tags. This uses the second tool, iwx. This is a very fast way to narrow in on the relevant articles for
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Tag Cloud For My Blog
This morning's entry on categories got me thinking and I decided to try generating a tag cloud based on the keywords I put on entries. Here is the result. I like it because it gives an immediate feel for which topics I spend the most time on. The cloud doesn't show tags I used just once. To create the page, I followed Al-Muhajabah's instructions with a few modifications. I'm careful to separate my tags by commas or whitespace, so I replaced $wordlist = preg_split( '/\\s*[\\s+\\.|\\?|,|(|)|\\-+|\\'|\\"|=|;|×|\\$|\\/|:|{|}]\\s*/i', $string); with $wordlist = preg_split('/\\s+|,/i',$string); The longer regexp was breaking things up more than
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