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\iteman{io-port 00484079}
\itemau{Barnard, A.; Ehlers, E.M.; Hattingh, J.H.}
\itemti{Structure graphs and structure graph grammars.}
\itemso{Inf. Sci. 73, No.3, 235-271 (1993).}
\itemab
Summary: We give the formal definition of a structure graph and formalize the concepts of structure parameters and graph theoretical properties of structure graphs. Structure graphs are a formal descriptive method that can model three-dimensional objects. We introduce various extensions of structure graph grammars, a class of graph grammars that generates structure graphs, and compare the classes of languages of the structure graph grammar extensions.
\itemrv{~}
\itemcc{}
\itemut{picture processing; structure; three-dimensional objects; graph grammars}
\itemli{doi:10.1016/0020-0255(93)90102-R}
\end