At first, I was unclear of the relationship between IA and representation. Sure, the structure of IA consists of entries of represented information, but how we choose to represent information is separate from how we place it in the hierarchy of a structure. This may be true, but the more I thought of it and read the articles concerning representation, I came to the conclusion that how information architects choose to structure information is a form of representation in and of itself.
Taking a website as an example, placing a page one level down from the homepage gives it a higher sense of importance that is solely because of its representation. In a sense, the location of the information becomes a part of its representation. This gives a higher value to the role of the information architect; they can shape the scope of the information simply by its placement.