This is a little silly, but I changed the displayed text on the
Advanced SOM options menu from "Classic SOM" to "Incremental SOM", as
per this issue:
http://code.google.com/p/ifcsoft/issues/detail?id=6
Under the hood, it's still called "ClassicSOM" (changing required too
much refactoring, plus I still think of it as Classic versus Batch).