Tills paper describes a computational method for correcting users' miseonceptioas concerning the objects modelled by a compute," . The method involves classifying object-related misc,mce|,tions according to the knowledge-base feature involved in the incorrect information. For each resulting class sub-types are identified, :.:cording to the structure of the knowledge base, which indicate wh:LI may be supporting the misconception and therefore what information to include in the response. .