A method for representing data types in a graphical program executed by a computer system. The method stores a plurality of executable function icons, scheduling function icons, and data types. A graphical program or data flow diagram is assembled in response to user input utilizing icons which correspond...http://www.google.de/patents/US5610828?utm_source=gb-gplus-sharePatent US5610828 - Graphical system for modelling a process and associated method
