Figure 1 contains a very simple a#39;top-levela#39; view of a system and figure 2 shows the system after part of it has been refined to include much more detail. ... dl d2 sink s2 Diagram 0: The system The advantages of producing documents containing data flow diagrams using a system ... For example, the lowest level of data flow diagrams are often expressed in purely textual notation [1 1], The system beinganbsp;...
|Title||:||Human-computer Interaction--INTERACT '87|
|Author||:||Hans-Jörg Bullinger, Brian Shackel|
|Publisher||:||Elsevier Science Ltd - 1987|