Many times, I have claimed WordPress is The Undisputed Blogging Champion of the World. Not only has this been ascertained by data architects and information engineers, but also, most recently in a Friday Night Smackdown for the WWE title. And yet, given all of the SEO super power for which WordPress is well known, there is a simple, elegant data model holding things together beneath the templates and the plug-ins.

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"WordPress 2.3 introduces our new taxonomy schema. This new schema replaces the categories, post2cat, and link2cat tables with three new tables that are more flexible."

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"Here’s something I don’t see nearly enough in content management systems: subcontent. This is when a content object contains other content objects as children. I don’t think I’ve ever built a content-managed site where I haven’t (1) used this when it was available, or (2) wished for it when it wasn’t.

It’s so common for a conceptual object in a content model to be composed of other content. This mirrors a relational database — the most common relationship between tables in a database is a one-to-many relationship where one thing in one table is related to many things in another table."

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I came across a very good article with regards to taxonomy titled, Search in Focus: Implementing a Taxonomy by Penny Crosman.  The article is a month or two old, but I haven't run across it before so maybe others haven't either.

Search engines don't know the difference between reading glasses and drinking glasses, but a taxonomy puts your query in context. We outline several ways to build taxonomies, ranging from the tough but potentially more accurate approach of building from scratch to the easier but potentially compromised approach of buying a prebuilt taxonomy or using automated clustering software.

Also be sure to check out the author's 10 Reasons To Use A Taxonomy.   Both of these articles were posted on Intelligent Enterprise.

The first time I heard the term taxonomy really wasn't until I started using Drupal.  It can take awhile to learn how best to use (and not to use) taxonomy in Drupal, but I've always found that there was enough help around to figure how best to utilize it for my sites.  Even after a couple years, I find I'm still learning how best to use taxonomy as the way I implement it seems to vary from site to site.  I also have yet to figure the best way to address what I call taxonomy bloat.  That's the tough part of learning, it all takes time and experience.