You can read more about GEDCOMP here:

• Slægt & Data, December 1997, "Genvej til Gorm den Gamle" by Lars Kr. Lundin.
• The New York Times, 2004-04-22, "From Shared Sources, Your Personal History" by Peter Wayner (Free registration (maybe) required).
• Diskulogen, December 2004, "Find Dine Danske Aner via Internettet" by Lars Kr. Lundin.
• jacksbox4you.blogspot.com, November 2008, "Would You Like To Meet A New Cousin?" by Jennifer (authors full name is known by GEDCOMP).