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 required).
• Diskulogen, December 2004, "Find Dine Danske Aner via Internettet" by Lars Kr. Lundin.