A discipline is "a branch of knowledge ordered through the theories and methods evolving from more than one worldview of the phenomenon of concern" (Parse, 1997). Nursing knowledge can be related to other discipline-specific knowledge because nursing incorporates concepts, principles, and theories related to the many other disciplines, such as the fields of economics, political science, administration, management, and computer science (Schlotfeldt, 1988). Nursing informatics is an assembly of computer science, information science and nursing science which supports nursing practice (Graves & Corcoran, 1989).