Human-Computer Interaction: Ergonomics and User Interfaces - Vol. 1

By Hans-Jörg Bullinger; Jürgen Ziegler | Go to book overview

Systematic Design of
Human-Computer-Interfaces as Relational
Serniotic Systems

Rudolf Haller, M.A.

Forschungsgruppe für Semiotik und Wissenschaftstheorie, Universitát Stuttgart


1
The Development of Relational Semiotics

The semiotic concepts presented here are based on the work of Ch. S. Peirce and its further development by Max Bense, Elisabeth Walther and their coworkers during the last 40 years at Stuttgart University. For details see ( Bense 1983), ( Walther 1974). For relational semiotics see ( Haller 1999).


2
Some Basics of Semiotics

Red light at a crossing of streets means or signifies a 'Stop', not a 'Stop, if you like to'. How can the red light do so? It doesnt. We do, as we have a condition by having learned a rule giving the red light of a certain design and place the value of a light used for traffic regulations. And we have among the traffic regulations a rule giving the value when it is red. The rule is: if the traffic light is red, then stop. The rule is of well known form and obtaines a single value. 'Stop' is the answer to the question 'What is to do if the traffic light is red?'. Note, that we cannot find the rule by investigating the red light or the signified stop. The light at the crossing is a traffic light only, if we realize the governing rule for it. That is: the light at the crossing without its rule is no traffic light; nor do have we the traffic light when we have the rule alone.

Semiotics deals with the recognizable by signs. Hence any representation by signs used in the sciences may be used to show the basics of semiotics.

We may start with the denotation of a function

f: x --> f(x),

-607-

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