topic maps are going to do this managing, or 
even help in doing it. They seem to be a purely hyper-textual device, 
for organizing textual resources. Being based on a primitive notion 
of 'association link' (it is a pity that the ISO committee didn't 
have a psychologist on board, who could have explained the 30-odd 
years of frustration into which cognitive psychology was led by 
relying on association networks) they aren't going to be able to 
express much useful logical structure. So even with the ISO 
