“Why Refactor DocBook?” and “More Ruminations on DocBook“, both at Norman Walsh. Walsh’s site also contains these on the how. what, and why of RDF.
Also of interest: the MozDocs StyleGuide
blogger has become terribly unreliable … I really don’t give a flying f*** about dbo errors and failures to insert. How friggin’ hard is it … too many programmers chasing those new google paychecks?