14. The one or more non-transitory memory devices of claim 10 , wherein the clinical text includes a plurality of documents and the computer instructions are further configured to perform the steps of receiving a query including a search concept; and displaying a list of documents including one or more of the plurality of documents that is associated with the at least one semantic concept and the additional concepts that matches the search concept.
10. The one or more non-transitory memory devices of claim 9 , wherein the computer instructions are further configured to perform the steps of weighting each of the at least one relationships and each of the additional relationships with a weighting value reflecting the strength of each relationship and additional relationship; determining a minimum threshold weighting value; and terminating the iterative growth of any network node in which the weighting between the relationships and the additional relationships do not satisfy the minimum threshold weighting value.