Source:http://linkedlifedata.com/resource/umls/id/C0876936
CSP: representation, usually using computers, of a system, condition, process, or phenomenon, in terms of mathematical equations which enables the manipulation of variables in order to determine how the system, condition, process, or phenomenon would behave in different situations; generally developed for understanding, analysis, improvement, and/or replacement of the system, condition, process, or phenomenon.,NCI: Theoretical representations that simulate the behavior or activity of systems, processes, or phenomena.