In an attempt to summarize the relationship among various metadata formats and how they relate to building Internet systems I wrote a glossary. I then ordered and tied the terms together with a bit of narrative to explain the relationships among the terms
A. Quinn, und B. Bederson. Proceedings of the 2011 annual conference on Human factors in computing systems, Seite 1403--1412. New York, NY, USA, ACM, (2011)