Semiotics is the science of signs: graphical, such as pictures;
verbal (writing or sounds); or others such as body gestures and
clothes. Computer semiotics studies the special nature of
computer-based signs and how they function in use. This 1991 book
is based on ten years of empirical research on computer usage in
work situations and contains material from a course taught by the
author. It introduces basic traditional semiotic concepts and
adapts them so that they become useful for analysing and designing
computer systems in their symbolic context of work. It presents a
novel approach to the subject, rich in examples, in that it is both
theoretically systematic and practical. The author refers to and
reinterprets techniques already used so that readers can deepen
their understanding. In addition, it offers new techniques and a
consistent perspective on computer systems that is particularly
appropriate for new hardware and software (e.g. hypermedia) whose
main functions are presentation and communication. This is a highly
important work whose influence will be wide and longlasting.
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