Data model XML

The Data Mining Group has published an XML standard "PMML" for the interchange of data models.

You know, I really need some kind of better semantic model for XML.  For myself, actually, but at the language level as well.  There's got to be a good way to think about XML as it relates to data structures or APIs or something, but somehow when I look at an XML specification I feel dry.

XML fever

A tongue-in-cheek guided tour of a few misconceptions people have about XML and how they're solved by mechanisms in the XML ecosystem.  Very interesting stuff!

OpenTag translation XML formats

I need to think harder about declarative formats in XML. Here's an example.