A common modelling decision in creating a topic map is when to use an association with 3 or more roles (an n-ary association) and when to represent it as n-1 binary associations. Herewith a discussion on the relative merits of the two forms and some pointers (ok, opinions) on the Right Thing To Do.
It seems that everyone has to put up with nonsense in some form or another. Some days I feel like I am being targetted with more than my fair share of it, but I guess that I probably give as good as I get. Now James Robertson has handily explained the Three Laws Of Nonsense.