Browsing SAICSIT Proceedings: 1979-2001 by Author "Ehlers, EM"

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Combining context provisions with graph grammar rewriting rules - the three-dimensional case

Barnard, A; Ehlers, EM (2001)

In this paper we consider the representation and generation of three-dimensional structures by means of formal descriptive methods. Graph and graph grammar theory present us with a powerful two-dimensional representational ...
The representation of chemical structures by random context structure grammars

Ehlers, EM; Von Solms, SH (1987)

A representation of chemical molecules by Random Context Structure Grammars is proposed. Random Context Structure Grammars generate three-dimensional digital structures. Random Context Structure Grammars and Random Context ...

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