This week we discovered that most of our posts were not being automatically tagged by Technorati. We had WordPress configured to only include an excerpt in our feeds and those excerpts, apparently, did not include the categories. Reconfiguring to include the full posts in our feeds fixed the problem. See, for example, the Technorati’s items tagged with SemanticWeb or agents. Technorati will recognize either of the following in a post

     <category> tagName </category>
     <dc:subject> tagName </dc:subject>

as an assertion that it should be tagged with tagName . In addition, it will also recognize links with a rel=”tag” modifier, such as

     <a href="http://apple.com/ipod" rel="tag">iPod</a>
     <a href="http://en.wikipedia.org/wiki/Gravity" rel="tag">Gravity</a>
     <a href="http://flickr.com/photos/tags/chihuahua" rel="tag">Chihuahua</a>

See Technorati’s tag page for more information.

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