How do I create quasi-definitive data ?
Provided you can keep to the timeliness and accuracy definitions for Quasi-Definitive (QD) data, you are free to create QD data using any method. Two institutes have been creating quasi-definitive data for a number of years (British Geological Survey, BGS and Institut de Physique du Globe de Paris, IPGP and the methods they use are described in the FAQ as examples of methods that you might adopt in your own institute.