Visual Languages: Where Do We Stand?

  • Authors:
  • Stefano Levialdi

  • Affiliations:
  • -

  • Venue:
  • AGTIVE '99 Proceedings of the International Workshop on Applications of Graph Transformations with Industrial Relevance
  • Year:
  • 1999

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Abstract

Many different reasons have induced researchers to develop languages exploiting visual representations. Visual elements, two-dimensional parsers and, more generally, new language grammars (of different kinds) were suggested and implemented in these last fifteen years, both formally and experimentally, depending on the background of the authors. After indicating targets and motivations for research on visual languages, a few taxonomies will be considered. Two examples of visual languages, together with the point of view taken by their originators, will also be provided as well as some important steps in the progress made along these years. Finally, the open questions and future research directions will be given, together with an indication of the principal events which act as international windows on longtime discussions relevant for the design of new and, more effective, visual languages.