1. A method, comprising: receiving a data source selection from a user or software application, the data source including medical information of a plurality of patients; receiving, from the user or software application, a data pattern that is related to a concept to be explored in the data source; querying the data source to find information that approximately matches the data pattern; and receiving the information from the data source, wherein the information includes unstructured data, assigning a classification to individual parts of the information based on the part's relationship to the data pattern, and outputting the classified information to the user or software application, and wherein the method is performed using a processor.