Inhaltsangabe: Abstract: Building on approaches that have succeeded in applying semiotic principles and methodology to computer science, such as computer semiotics, computational semiotics, and semiotic interface engineering, this dissertation establishes a systematic account for those researchers who are ready to look at hypertext from a semiotic point of view. Rather than a new hypertext model, this work presents the prolegomena of a theory of hypertext semiotics, interlacing the existing models with the findings of semiotic research, on all levels of the textual, aural, visual, tactile and...