First: Credit to Ketan C. Patel
When I was preparing for my presentation, I stumbled across Mr. Patel's article, which nicely summarized most of the points I wanted to make. This is the article from which I gathered a good portion of my information.
These are the other sources from which I gathered my information:
http://xml.apache.org/xindice/
http://www.webreview.com/2002/02_04/developers/index01.shtml
http://otn.oracle.com/tech/xml/content.html
http://www.xml.com/pub/a/2001/06/20/databases.html
http://www.softwareag.com/xml/applications/mercedes.htm
http://www.pcmag.com/article2/0,4149,2696,00.asp
http://www.softwareag.com/corporat/references/pdfs/CR_Cinemedia_E.pdf