Abstract: A method develops a user profile to indicate a user's topics of interest. Documents considered by a computer system to have been consumed by first user are identified. Document summaries are developed identifying concepts represented in each document and relative strength by which the concept is considered associated with the document, and are accumulated from all the identified documents into a profile for the first user. The user profile is stored in a user profile database in a storage medium accessible to the computer system. A system develops a user profile to indicate the user's topics of interest by identifying documents consumed by a user with a document summary for each document identifying concepts and their relative strength. Document summaries are accumulated into a profile for first user.