Abstract: Techniques for performing searches and presenting reports to users include receiving a user query request comprising condition classifications or text words or text phrases, receiving a user report request comprising report classification information that includes a request term, accessing an ontology providing a plurality of classifications, where each classification comprises a set of terms, accessing, using the ontology, a set of document associated with the report classification information, computing an aggregate measure of the request term based on a relationship between the request term and the set of documents, generating a requested report based on the aggregate measure of the request term and presenting the requested report.