Conventional might be a better adjective than classical.
“(…) the practice of information architecture has confronted the need to solve the effects of information overload from its very beginning. It did not begin as a struggle for better user experiences, site planning, usability, or budgets. Information architecture arrived as a practice specifically to address the challenges that information abundance brought on within the context of the Internet. This is the seemingly narrow scope of information architecture through which the classic IA perspective survives.”