Check out To clean, effective, manageable content by Katriel.Reichman. Here is an excerpt:
How much time and effort on your DITA implementation focuses on the bells and whistles of your CMS or DITA-OT publishing scripts? Have you been paying too little attention to content quality? If your content is bloated, uses unsemantic markup, is riddled with duplication, or suffers from…
The full article is available here.